9to5Mac points out that Walt Mossberg may have confirmed the release timeframe of the 3G iPhone, expected to be in June. In an online video (about 6:50 in), Mossberg casually but confidently says that the iPhone will be 3G in 60 days.
Mossberg: 3G iPhone In 60 Days [Updated]
April 10th, 2008 — iPhone Hacks, Tips and Tricks
3G iPhone Pricing to Remain at $399, $499? Launch At WWDC?
April 10th, 2008 — iPhone Hacks, Tips and Tricks
TGDaily claims (via IntoMobile.com) to have some new knowledge from “industry sources” about the upcoming 3G iPhone.
According to their sources, the 3G iPhone will indeed be introduced at Apple’s World Wide Developer’s Conference.
Apple releases guide on how to make the iPhone battery last longer
July 26th, 2007 — iPhone Hacks, Tips and Tricks
Apple admits to battery problems, and had released a guide on how to make the iPhone battery last longer. It's actually kind of funny how it is written.
Apples guide to the iPhone battery 