You got a .rar file and you don't how to open it, some one asked you to send him "a rar file" or you just need a good archiving software? Download and install WinRAR.
The latest video interview with the legendary Bill Gates, where he's talking about the Windows 8, Windows Phone 8 and the newest player in the tablet market, the Microsoft Surface.
A really useful feature in case you want to receive a warning notification before you use all of the mobile data available according to your mobile provider contract. It's a great way to avoid additional charges.
