Gene Munster from Piper Jaffray has issued his predictions for the iPhone 4G / 2010.
1. 70% chance that Verizon will be offering the iPhone in 2010.
2. A battery that lasts longer than one day
3. built-in RFID (radio-frequency identification) technology, allowing them to make retail payments with a single swipe.
PCMag has some iPhone 4G rumors
* earlier-than-expected launch date (maybe April/May production with June/July Availability)
* 5 megapixel camera
* OLED screen
* a removable battery
* Overhauled App Store
* support for video chat