These are instructions on how to replace the signal strength bars on your iPhone with a numerical representation of reception strength. (ie. numbers instead of bars)
A video recording app, Flexicorder allows both front and back cameras for iPhone 4 to be used during a single recording session leading to some interesting possibilities.
SportGrip Edge for iPhone 4 is a minimalist solution: A soft band that fits tightly around the edges of the iPhone, and two included clear sheets of film protection-one for the front and one for the back.
Users are able to set multiple alarms at once; set daily, weekly, or monthly reminders; wake using fade-in mode, music, vibration or a user's own MP3 music.