As a minor feature, the iBooks app will gain a PDF-reading capability.
That's not minor to me, that is a big selling point.
Given the variety of PDF reading apps already available, we'll see if it's game-changing or not. I do like the idea of native, Apple-supported PDF viewing, however.
Given the other features of the iPhone 4, the PDF viewing is pretty minor though.
That's not minor to me, that is a big selling point.