Demos to show spying on VoIP on iPhone over Wi-Fi and IP video p...

Yelp's iPhone app gets check-ins, friend stalking
Yelp adds a way for users to alert one another of their goings-on, though similar to Foursquare, the privacy implications may be a bit too much for some.

Smartphone touch-screen analysis tests finger fidelity
Moto Development Labs devises a simple method of comparing capacitive touch screens on the iPhone, HTC Droid Eris, Motorola Droid, and Nexus One.

AR.Drone helicopter controllable by iPhone
Coolest toy ever? This remote-control helicopter has a video camera that streams to your iPhone or iPod Touch.

The iPhone app that lets you see your friends naked
Nude It, approved by Apple Tuesday, is an augmented reality app that uses scanning technology to look straight through clothing. Something you have always wanted to do.

Nexus One is way cheaper than iPhone
Money isn't everything. But $600 a year isn't pocket change.