check e-mail occasionally;
edit calendar couple of time;
take 2min video;
take 10 photos;
use androidcentral forum;
use other apps: calculator, airdroid, Google now, weather,...
I've tried set the brightness at 20-30% level, the screen looks uncomfortable under some environment, either too bright or too dim. The Auto-B just works in most cases for me.
Disabled: Google+, Wallet;
Enabled: Google Now, Google Map;
Off: NFC, Bluetooth;
On: Wifi/Data;
Display brightness: Auto;
Juice Defender: Customized to sync data every 30 min;