Sailing stones, also called sliding or moving rocks is a geological phenomenon where rocks tend to move and leave long tracks into a valley surfaces like deserts without human or animal intervention.
Some installations or settings changes require you to restart your computer. In most cases you don't need to actually reboot it, you only need to restart the explorer.exe process.
If you are bored of your Facebook cover image on your Timeline profile and you want to make one of your own this easy to follow Photoshop tutorial will do the trick.
Amazing ad, and so true for real. GoldieBlox toy company made this awesome video commercial a couple of days ago and it already has more than 3,3 million views on YouTube. Must watch.