Today, 40 years ago first public call with a cellphone was made. The cellphone weighed 2,5 pounds (1,1kg) and when it hit the market it would cost you little short of $4,000.
Nice little program that enables you to close all your opened applications and windows with one single click. It works in Windows XP and Windows 7 and doesn't need installing.
Rover Curiosity, the biggest laboratory on wheels, successfully landed on the Red Planet's deepest crater called Gale and you can follow it on Twitter and Facebook as well.