You could choose the data you wish to see on the App ranging from calls, texts, emails, music, pictures and so on. You could also connect your Facebook, Twitter, Foursquare, Google, last.fm accounts if you would prefer a more enriched view.
It automatically overlays your footprint on to the world helping you go back in time.
- what you did on your last anniversary
- the pubs you crawled along with your friends on your last trip to NYC.
In short, no more HANGOVER syndrome :)
ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION - Journaling your tracks and trips.
INTERNET, ACCESS_NETWORK_STATE - Cloud Syncing, viewing etc.
READ_CONTACTS - For quick actions, people display on timeline etc.
READ_CALL_LOG, READ_SMS, RECEIVE_SMS - To sync your calls and Texts.
WAKE_LOCK - Use display and processor time efficiently, yet keeping your timeline fresh.
WRITE_EXTERNAL_STORAGE - Cache resources (Images, contact pictures etc) on SD card.
MANAGE_ACCOUNTS, AUTHENTICATE_ACCOUNTS, WRITE_SYNC_SETTINGS, READ_SYNC_SETTINGS - Create and maintain a 'friday' sync account and service.
GET_TASKS - To scroble the music player and sync your song logs.