Never use it and its just full of Backdoors If you have half a brain you can get into the accounts
and see all
That's why it gets all the promotion from the likes of Microsoft, even win8 they try to push it as some great thing, its just a room full of computers, I can save my own data thanks on an external drive which is 100% more secure.
N.S.A. and G.C.H.Q. use it to collect your data they are the only Gov.: bodies that like to listen????????????? To You