Stacks is an add-on for jailbroken, or hacked, iPhones which brings a distinctly Mac-like tweak to the iPhone UI. As the video shows, Stacks lets you replace the icons in the home row (the non-moving row of icons at the bottom of the screen) with, well, stacks.
iPhone and iPhone 3G owners with the warranty-voiding fortitude to open up their handset to unofficial third-party applications - the process known as the "jailbreak" - have enjoyed the option to use their iPhone 3G as a wireless modem. By "tethering" an iPhone 3G to a laptop, users with jailbroken iPhone 3G's could take full advantage of their high-speed wireless data network on a full-fledged computer - all it required was a simple terminal command and a couple web browser tweaks.
So a student from Carleton University in Canada named Atif Shamin have tweaked his iPhone and extended the battery life of iPhone up to 12x longer than regular iPhone
It was in April that Google had announced the new versions of Gmail App for the iPhone and Android based devices. Seven months down the lane, Google has made subtle changes to a host of its Mobile Apps that should enhance the overall user experience.