You can set notifications to find out when your collaborators have modified your spreadsheets, and learn what sheets or cells they've modified. You can also choose how often you'd like to be notified.
Google just released a brand new and improved version of their mobile operating system Android 4.1 Jelly Bean and we must say it looks quite promising and it is suppose to run smoother as never before.
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.
Virtual Hard Disk or VHD acts like a normal hard drive built into your computer. Cool thing is, it comes in a form of a single file so you can make a copy of it and virtually attach it to any other Windows computer.