An extension for showing real-time per-day stats:
Currently tracks:
- 
- tabs opened
 
 - 
- tabs closed
 
 - ~ tab switches
 
Click the extension button to download the per-day history since installation as CSV.
To track
- u unloaded tab count
 - l loaded tab count
 - w window count
 - w+ windows opened
 - w- windows closed
 - w~ window switches
 - median time on tab?
 
Other
- Option: Clear history
 - Option: Never store data
 
- Re-enable storage debounce
 - Deterministically tell when session restore has ended, and start tracking tab events then
 
- Add popup that shows all stored data
 - Rotate between values?
 - Select visible badge?
 - Tooltip with all values?