diff --git a/Makefile b/Makefile
index 7a2d3d53..3f59c345 100644
--- a/Makefile
+++ b/Makefile
@@ -142,7 +142,6 @@ include watch-faces.mk
 
 SRCS += \
   ./movement.c \
-  ./movement_activity.c \
 
 # Finally, leave this line at the bottom of the file.
 include $(GOSSAMER_PATH)/rules.mk
diff --git a/movement.c b/movement.c
index 1a6f38eb..a6492c9a 100644
--- a/movement.c
+++ b/movement.c
@@ -44,7 +44,6 @@
 #include "tc.h"
 #include "evsys.h"
 #include "delay.h"
-#include "movement_activity.h"
 #include "thermistor_driver.h"
 
 #include "movement_config.h"
@@ -77,7 +76,6 @@ void cb_tick(void);
 
 void cb_accelerometer_event(void);
 void cb_accelerometer_wake(void);
-uint8_t active_minutes = 0;
 
 #if __EMSCRIPTEN__
 void yield(void) {
@@ -155,18 +153,6 @@ static inline void _movement_disable_fast_tick_if_possible(void) {
 static void _movement_handle_top_of_minute(void) {
     watch_date_time_t date_time = watch_rtc_get_date_time();
 
-    if (movement_state.has_lis2dw) {
-        bool accelerometer_is_alseep = HAL_GPIO_A4_read();
-        if (!accelerometer_is_alseep) active_minutes++;
-        printf("Active minutes: %d\n", active_minutes);
-
-        // log data every five minutes, and reset the active_minutes count.
-        if ((date_time.unit.minute % 5) == 0) {
-            _movement_log_data();
-            active_minutes = 0;
-        }
-    }
-
     // update the DST offset cache every 30 minutes, since someplace in the world could change.
     if (date_time.unit.minute % 30 == 0) {
         _movement_update_dst_offset_cache();
diff --git a/movement_activity.c b/movement_activity.c
deleted file mode 100644
index cfad8fff..00000000
--- a/movement_activity.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2025 Joey Castillo
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "movement.h"
-#include "movement_activity.h"
-#include "tc.h"
-#include "thermistor_driver.h"
-
-// RAM to stash the data points.
-movement_activity_data_point movement_activity_log[MOVEMENT_NUM_DATA_POINTS] = {0};
-// the absolute number of data points logged
-uint32_t data_points = 0;
-
-// hacky: we're just tapping into Movement's global state for activity detection.
-// do we need better API for this? i'm less bothered now that it's all in Movement.
-extern uint8_t active_minutes;
-
-void _movement_log_data(void) {
-    size_t pos = data_points % MOVEMENT_NUM_DATA_POINTS;
-    movement_activity_data_point data_point = {0};
-
-    // Movement tracks active minutes when deciding whether to sleep.
-    data_point.bit.active_minutes = active_minutes;
-
-    if (tc_is_enabled(2)) {
-        // orientation changes are counted in TC2. stash them in the data point...
-        data_point.bit.orientation_changes = tc_count16_get_count(2);
-        // ...and then reset the number of orientation changes.
-        tc_count16_set_count(2, 0);
-    }
-
-    // log the temperature
-    float temperature_c = movement_get_temperature();
-    // offset the temperature by 30, so -30°C is 0, and 72.3°C is 102.3
-    temperature_c = temperature_c + 30;
-    if (temperature_c < 0) temperature_c = 0;
-    if (temperature_c > 102.3) temperature_c = 102.3;
-    // now we have can fit temperature into a 10-bit value
-    data_point.bit.measured_temperature = temperature_c * 10;
-
-    /// TODO: log light level
-
-    // log the data point
-    movement_activity_log[pos].reg = data_point.reg;
-    data_points++;
-}
-
-movement_activity_data_point *movement_get_data_log(uint32_t *count) {
-    *count = data_points;
-    return movement_activity_log;
-}
diff --git a/movement_activity.h b/movement_activity.h
deleted file mode 100644
index f1b256ff..00000000
--- a/movement_activity.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * MIT License
- *
- * Copyright (c) 2025 Joey Castillo
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#pragma once
-
-#include <stdint.h>
-
-// Log 36 hours of data points. Each data point captures 5 minutes.
-#define MOVEMENT_NUM_DATA_POINTS (36 * (60 / 5))
-
-typedef union {
-    struct {
-        uint32_t active_minutes: 3;
-        uint32_t orientation_changes: 9;
-        uint32_t measured_temperature: 10;
-        uint32_t measured_light: 10;
-    } bit;
-    uint32_t reg;
-} movement_activity_data_point;
-
-/// @brief Internal function, called every 5 minutes to log data.
-void _movement_log_data(void);
-
-/// @brief Returns a pointer to the data log.
-/// @param count is a pointer to a uint32_t. The absolute number of data points logged is returned by reference.
-/// You can assume that log[count % MOVEMENT_NUM_DATA_POINTS] is the latest data point, and work backwards from there.
-movement_activity_data_point *movement_get_data_log(uint32_t *count);
diff --git a/movement_faces.h b/movement_faces.h
index fb5d9b34..c9ebe2e6 100644
--- a/movement_faces.h
+++ b/movement_faces.h
@@ -35,7 +35,7 @@
 #include "moon_phase_face.h"
 #include "days_since_face.h"
 #include "character_set_face.h"
-#include "accel_interrupt_count_face.h"
+#include "accelerometer_status_face.h"
 #include "all_segments_face.h"
 #include "float_demo_face.h"
 #include "temperature_display_face.h"
diff --git a/watch-faces.mk b/watch-faces.mk
index 567618fe..eadd5b5f 100644
--- a/watch-faces.mk
+++ b/watch-faces.mk
@@ -9,7 +9,7 @@ SRCS += \
   ./watch-faces/complication/sunrise_sunset_face.c \
   ./watch-faces/complication/moon_phase_face.c \
   ./watch-faces/complication/days_since_face.c \
-  ./watch-faces/demo/accel_interrupt_count_face.c \
+  ./watch-faces/demo/accelerometer_status_face.c \
   ./watch-faces/demo/all_segments_face.c \
   ./watch-faces/demo/character_set_face.c \
   ./watch-faces/demo/float_demo_face.c \
diff --git a/watch-faces/demo/accel_interrupt_count_face.c b/watch-faces/demo/accelerometer_status_face.c
similarity index 73%
rename from watch-faces/demo/accel_interrupt_count_face.c
rename to watch-faces/demo/accelerometer_status_face.c
index dc9b5df1..bdb6935b 100644
--- a/watch-faces/demo/accel_interrupt_count_face.c
+++ b/watch-faces/demo/accelerometer_status_face.c
@@ -24,34 +24,26 @@
 
 #include <stdlib.h>
 #include <string.h>
-#include "accel_interrupt_count_face.h"
+#include "accelerometer_status_face.h"
 #include "lis2dw.h"
 #include "tc.h"
 #include "watch.h"
 
-// hacky: we're just tapping into Movement's global state.
-// we should make better API for this.
-extern uint8_t active_minutes;
-
-static void _accel_interrupt_count_face_update_display(accel_interrupt_count_state_t *state) {
+static void _accelerometer_status_face_update_display(accel_interrupt_count_state_t *state) {
     (void) state;
-    char buf[8];
 
     // Accelerometer title
-    watch_display_text(WATCH_POSITION_TOP_LEFT, "AC");
+    watch_display_text_with_fallback(WATCH_POSITION_TOP, "ACCEL", "AC");
+
+    // sensing is live!
+    watch_set_indicator(WATCH_INDICATOR_SIGNAL);
 
     // Sleep/active state
-    if (HAL_GPIO_A4_read()) watch_display_text(WATCH_POSITION_TOP_RIGHT, " S");
-    else watch_display_text(WATCH_POSITION_TOP_RIGHT, " A");
-
-    // Orientation changes / active minutes
-    uint16_t orientation_changes = 0;
-    if (tc_is_enabled(2)) orientation_changes = tc_count16_get_count(2);
-    sprintf(buf, "%-3u/%2d", orientation_changes > 999 ? 999 : orientation_changes, active_minutes);
-    watch_display_text(WATCH_POSITION_BOTTOM, buf);
+    if (HAL_GPIO_A4_read()) watch_display_text(WATCH_POSITION_BOTTOM, "Still ");
+    else watch_display_text_with_fallback(WATCH_POSITION_BOTTOM, "Active", " ACtiv");
 }
 
-void accel_interrupt_count_face_setup(uint8_t watch_face_index, void ** context_ptr) {
+void accelerometer_status_face_setup(uint8_t watch_face_index, void ** context_ptr) {
     (void) watch_face_index;
     if (*context_ptr == NULL) {
         *context_ptr = malloc(sizeof(accel_interrupt_count_state_t));
@@ -59,7 +51,7 @@ void accel_interrupt_count_face_setup(uint8_t watch_face_index, void ** context_
     }
 }
 
-void accel_interrupt_count_face_activate(void *context) {
+void accelerometer_status_face_activate(void *context) {
     accel_interrupt_count_state_t *state = (accel_interrupt_count_state_t *)context;
 
     // never in settings mode at the start
@@ -72,10 +64,11 @@ void accel_interrupt_count_face_activate(void *context) {
     state->threshold = lis2dw_get_wakeup_threshold();
 }
 
-bool accel_interrupt_count_face_loop(movement_event_t event, void *context) {
+bool accelerometer_status_face_loop(movement_event_t event, void *context) {
     accel_interrupt_count_state_t *state = (accel_interrupt_count_state_t *)context;
 
     if (state->is_setting) {
+        watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
         switch (event.event_type) {
             case EVENT_LIGHT_BUTTON_DOWN:
                 state->new_threshold = (state->new_threshold + 1) % 64;
@@ -106,7 +99,7 @@ bool accel_interrupt_count_face_loop(movement_event_t event, void *context) {
         switch (event.event_type) {
             case EVENT_ACTIVATE:
             case EVENT_TICK:
-                _accel_interrupt_count_face_update_display(state);
+                _accelerometer_status_face_update_display(state);
                 break;
             case EVENT_ALARM_LONG_PRESS:
                 state->new_threshold = state->threshold;
@@ -121,13 +114,6 @@ bool accel_interrupt_count_face_loop(movement_event_t event, void *context) {
     return true;
 }
 
-void accel_interrupt_count_face_resign(void *context) {
+void accelerometer_status_face_resign(void *context) {
     (void) context;
 }
-
-movement_watch_face_advisory_t accel_interrupt_count_face_advise(void *context) {
-    (void) context;
-    movement_watch_face_advisory_t retval = { 0 };
-
-    return retval;
-}
diff --git a/watch-faces/demo/accel_interrupt_count_face.h b/watch-faces/demo/accelerometer_status_face.h
similarity index 72%
rename from watch-faces/demo/accel_interrupt_count_face.h
rename to watch-faces/demo/accelerometer_status_face.h
index 3361976c..2b152d5f 100644
--- a/watch-faces/demo/accel_interrupt_count_face.h
+++ b/watch-faces/demo/accelerometer_status_face.h
@@ -41,16 +41,15 @@ typedef struct {
     bool is_setting;
 } accel_interrupt_count_state_t;
 
-void accel_interrupt_count_face_setup(uint8_t watch_face_index, void ** context_ptr);
-void accel_interrupt_count_face_activate(void *context);
-bool accel_interrupt_count_face_loop(movement_event_t event, void *context);
-void accel_interrupt_count_face_resign(void *context);
-movement_watch_face_advisory_t accel_interrupt_count_face_advise(void *context);
+void accelerometer_status_face_setup(uint8_t watch_face_index, void ** context_ptr);
+void accelerometer_status_face_activate(void *context);
+bool accelerometer_status_face_loop(movement_event_t event, void *context);
+void accelerometer_status_face_resign(void *context);
 
-#define accel_interrupt_count_face ((const watch_face_t){ \
-    accel_interrupt_count_face_setup, \
-    accel_interrupt_count_face_activate, \
-    accel_interrupt_count_face_loop, \
-    accel_interrupt_count_face_resign, \
-    accel_interrupt_count_face_advise, \
+#define accelerometer_status_face ((const watch_face_t){ \
+    accelerometer_status_face_setup, \
+    accelerometer_status_face_activate, \
+    accelerometer_status_face_loop, \
+    accelerometer_status_face_resign, \
+    NULL, \
 })
diff --git a/watch-faces/sensor/activity_logging_face.c b/watch-faces/sensor/activity_logging_face.c
index e6b586ae..12d9a5ea 100644
--- a/watch-faces/sensor/activity_logging_face.c
+++ b/watch-faces/sensor/activity_logging_face.c
@@ -27,55 +27,44 @@
 #include "activity_logging_face.h"
 #include "filesystem.h"
 #include "watch.h"
-#include "movement_activity.h"
 #include "watch_utility.h"
 
-static void _activity_logging_face_update_display(activity_logging_state_t *state, bool clock_mode_24h) {
+static void _activity_logging_face_update_display(activity_logging_state_t *state) {
     char buf[8];
-    uint32_t count = 0;
-    movement_activity_data_point *data_points = movement_get_data_log(&count);
-    int32_t pos = ((int32_t)count - 1 - (int32_t)state->display_index) % MOVEMENT_NUM_DATA_POINTS;
     watch_date_time_t timestamp = movement_get_local_date_time();
 
-    // round to previous 5 minute increment
-    timestamp.unit.minute = timestamp.unit.minute - (timestamp.unit.minute % 5);
-    // advance backward by 5 minutes for each increment of state->display_index
-    uint32_t unix_timestamp = watch_utility_date_time_to_unix_time(timestamp, movement_get_current_timezone_offset());
-    unix_timestamp -= 300 * state->display_index;
-    timestamp = watch_utility_date_time_from_unix_time(unix_timestamp, movement_get_current_timezone_offset());
+    watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "ACT", "AC");
 
-    watch_clear_indicator(WATCH_INDICATOR_24H);
-    watch_clear_indicator(WATCH_INDICATOR_PM);
-    watch_clear_colon();
-
-    if (pos < 0) {
-        // no data at this index
-        watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "LOG", "AC");
-        watch_display_text(WATCH_POSITION_BOTTOM, "no dat");
-        sprintf(buf, "%2d", state->display_index);
+    if (state->display_index == 0) {
+        // if we are at today, just show the count so far
+        snprintf(buf, 8, "%2d", timestamp.unit.day);
         watch_display_text(WATCH_POSITION_TOP_RIGHT, buf);
-    } else if (state->ts_ticks) {
-        // we are displaying the timestamp in response to a button press
-        watch_set_colon();
-        if (clock_mode_24h) {
-            watch_set_indicator(WATCH_INDICATOR_24H);
-        } else {
-            if (timestamp.unit.hour > 11) watch_set_indicator(WATCH_INDICATOR_PM);
-            timestamp.unit.hour %= 12;
-            if (timestamp.unit.hour == 0) timestamp.unit.hour = 12;
-        }
-        watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "T*D", "AT");
-        sprintf(buf, "%2d", timestamp.unit.day);
-        watch_display_text(WATCH_POSITION_TOP_RIGHT, buf);
-        sprintf(buf, "%2d%02d%02d", timestamp.unit.hour, timestamp.unit.minute, 0);
+        snprintf(buf, 8, "%4d  ", state->active_minutes_today);
         watch_display_text(WATCH_POSITION_BOTTOM, buf);
+
+        // also indicate that this is the active day — we are still sensing active minutes!
+        watch_set_indicator(WATCH_INDICATOR_SIGNAL);
     } else {
-        // we are displaying the number of accelerometer wakeups and orientation changes
-        watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "LOG", "AC");
-        sprintf(buf, "%2d", state->display_index);
+        // otherwise we need to go into the log.
+        watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
+        int32_t pos = ((int16_t)state->data_points - (int32_t)state->display_index) % ACTIVITY_LOGGING_NUM_DAYS;
+        // get day of month for today - display_index
+        uint32_t unixtime = watch_utility_date_time_to_unix_time(timestamp, movement_get_current_timezone_offset());
+        unixtime -= 86400 * state->display_index;
+        timestamp = watch_utility_date_time_from_unix_time(unixtime, movement_get_current_timezone_offset());    
+
+        // display date
+        snprintf(buf, 8, "%2d", timestamp.unit.day);
         watch_display_text(WATCH_POSITION_TOP_RIGHT, buf);
-        sprintf(buf, "%-3u/%2d", data_points[pos].bit.orientation_changes > 999 ? 999 : data_points[pos].bit.orientation_changes, data_points[pos].bit.active_minutes);
-        watch_display_text(WATCH_POSITION_BOTTOM, buf);
+
+        if (pos < 0) {
+            // no data at this index
+            watch_display_text(WATCH_POSITION_BOTTOM, "no dat");
+        } else {
+            // we are displaying the number active minutes
+            snprintf(buf, 8, "%4d  ", state->activity_log[pos]);
+            watch_display_text(WATCH_POSITION_BOTTOM, buf);
+        }
     }
 }
 
@@ -90,65 +79,23 @@ void activity_logging_face_setup(uint8_t watch_face_index, void ** context_ptr)
 void activity_logging_face_activate(void *context) {
     activity_logging_state_t *state = (activity_logging_state_t *)context;
     state->display_index = 0;
-    state->ts_ticks = 0;
-    state->data_dump_idx = -1;
 }
 
 bool activity_logging_face_loop(movement_event_t event, void *context) {
     activity_logging_state_t *state = (activity_logging_state_t *)context;
     switch (event.event_type) {
-        case EVENT_TIMEOUT:
-            if (state->data_dump_idx == -1) movement_move_to_face(0);
-            break;
-        case EVENT_LIGHT_LONG_PRESS:
-            // light button shows the timestamp, but if you need the light, long press it.
-            movement_illuminate_led();
-            break;
-        case EVENT_LIGHT_BUTTON_DOWN:
-            state->ts_ticks = 2;
-            _activity_logging_face_update_display(state, movement_clock_mode_24h());
-            break;
         case EVENT_ALARM_BUTTON_DOWN:
-            state->display_index = (state->display_index + 1) % ACTIVITY_LOGGING_NUM_DATA_POINTS;
-            state->ts_ticks = 0;
+            state->display_index = (state->display_index + 1) % ACTIVITY_LOGGING_NUM_DAYS;
             // fall through
         case EVENT_ACTIVATE:
-            _activity_logging_face_update_display(state, movement_clock_mode_24h());
+            _activity_logging_face_update_display(state);
             break;
-        case EVENT_ALARM_LONG_PRESS:
-            state->data_dump_idx = 0;
-            watch_set_indicator(WATCH_INDICATOR_ARROWS);
-            movement_request_tick_frequency(4);
-            watch_set_decimal_if_available();
-            // fall through
-        case EVENT_TICK:
-            if (state->ts_ticks && --state->ts_ticks == 0) {
-                _activity_logging_face_update_display(state, movement_clock_mode_24h());
-            }
-            if (state->data_dump_idx != -1) {
-                // dance through the full buffer
-                char buf[8];
-                uint32_t count = 0;
-                movement_activity_data_point *data_points = movement_get_data_log(&count);
-                int32_t pos = ((int32_t)count - 1 - (int32_t)state->data_dump_idx) % MOVEMENT_NUM_DATA_POINTS;
-
-                sprintf(buf, "%03d ", state->data_dump_idx);
-                watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, buf, buf + 2);
-                sprintf(buf, "%3d%3d", data_points[pos].bit.measured_temperature - 300, data_points[pos].bit.orientation_changes > 999 ? 999 : data_points[pos].bit.orientation_changes);
-                buf[6] = 0;
-                watch_display_text(WATCH_POSITION_BOTTOM, buf);
-                sprintf(buf, "%2d", data_points[pos].bit.active_minutes);
-                watch_display_text(WATCH_POSITION_TOP_RIGHT, buf);
-
-                state->data_dump_idx++;
-                if (state->data_dump_idx >= MOVEMENT_NUM_DATA_POINTS) {
-                    state->data_dump_idx = -1;
-                    watch_clear_indicator(WATCH_INDICATOR_ARROWS);
-                    watch_clear_decimal_if_available();
-                    movement_request_tick_frequency(1);
-                    state->display_index = 0;
-                    _activity_logging_face_update_display(state, movement_clock_mode_24h());
-                }
+        case EVENT_BACKGROUND_TASK:
+            {
+                size_t pos = state->data_points % ACTIVITY_LOGGING_NUM_DAYS;
+                state->activity_log[pos] = state->active_minutes_today;
+                state->data_points++;
+                state->active_minutes_today = 0;
             }
             break;
         default:
@@ -162,3 +109,18 @@ bool activity_logging_face_loop(movement_event_t event, void *context) {
 void activity_logging_face_resign(void *context) {
     (void) context;
 }
+
+movement_watch_face_advisory_t activity_logging_face_advise(void *context) {
+    activity_logging_state_t *state = (activity_logging_state_t *)context;
+    movement_watch_face_advisory_t retval = { 0 };
+
+    if (HAL_GPIO_A4_read()) state->active_minutes_today++;
+
+    watch_date_time_t datetime = movement_get_local_date_time();
+    // request a background task at midnight to shuffle the data into the log
+    if (datetime.unit.hour == 0 && datetime.unit.minute == 0) {
+        retval.wants_background_task = true;
+    }
+
+    return retval;
+}
diff --git a/watch-faces/sensor/activity_logging_face.h b/watch-faces/sensor/activity_logging_face.h
index c2f3fcc6..e09d7da7 100644
--- a/watch-faces/sensor/activity_logging_face.h
+++ b/watch-faces/sensor/activity_logging_face.h
@@ -54,12 +54,13 @@
 #include "movement.h"
 #include "watch.h"
 
-#define ACTIVITY_LOGGING_NUM_DATA_POINTS (100)
+#define ACTIVITY_LOGGING_NUM_DAYS (14)
 
 typedef struct {
-    uint8_t display_index;  // the index we are displaying on screen
-    uint8_t ts_ticks;       // when the user taps the LIGHT button, we show the timestamp for a few ticks.
-    int16_t data_dump_idx;  // for dumping the full activity log on long press of Alarm
+    uint16_t activity_log[ACTIVITY_LOGGING_NUM_DAYS];   // the activity log
+    uint16_t data_points;                               // the number of days logged
+    uint8_t display_index;                              // the index we are displaying on screen
+    uint16_t active_minutes_today;                      // the number of active minutes logged today
 } activity_logging_state_t;
 
 void activity_logging_face_setup(uint8_t watch_face_index, void ** context_ptr);
@@ -73,5 +74,5 @@ movement_watch_face_advisory_t activity_logging_face_advise(void *context);
     activity_logging_face_activate, \
     activity_logging_face_loop, \
     activity_logging_face_resign, \
-    NULL, \
+    activity_logging_face_advise, \
 })