Stories by Dan Moren, Jason Snell

Hands on with iPhone 4

As Steve Jobs would have it, the iPhone 4 unveiled Monday represents the biggest revision for the iPhone since the device's original 2007 release. Looking back now, it's tempting to lump the iPhone 3G and the 3GS into a single category. It's not hard to see the latter as an incremental improvement on the former--the two had more in common than not, and the devices were almost exactly the same.