In case you just upgraded your iOS powered device to iO7 or any other version and now this device runs slower than it used to, this resetting of the device procedure might speed things up.
Another mind-blowing timelapse project powered by Google in collaboration with Time magazine. Check out the amazing satellite images, taken from space from 1984 to 2012.
I will show you how you find out if a website of your choice is using cookies. If the result is positive, you also find out which cookies are being used and what's their purpose.