Highrise iPhone app - As it loads your account’s database, it presents you with a playable game of tic tac toe.
iOS Safari - When you’re typing something followed by a dot in address bar, pressing the .com key, will result in a perfect one-dot spelling anyway. Then when you press it longer it shows you other domain options.
/via Kyle & solonsky
Instapaper - If you accidentally rotate your iPhone between portrait / landscape mode and then quickly rotate it back, the Rotation lock control appears.
Safari iOS - When selecting text, a tooltip comes up to let you see what you have selected even if its out of your screen.
iOS - Moving the lock slider from left to right gradually fades out the ‘slide to unlock’ text.
Nike+ iPhone app - The color coding of pace on the map is calibrated to the actual fastest and slowest pace ran.
Twitter - In iOS 5, attachments are aligned so that the scrollbar just fits between the view border.
Foursquare - Every time you go to the explore tab in the foursquare app, it gives you different examples of what you can search for.
iOS - When “Character count” in iOS is turned on, it will show the character count only if you have at least two lines of text.
/via Bartosz Olchówka