Digg - Sometimes it's too big and people don't use it anymore. Flap on - Too new; people don't know it exists. Google+ - No one is on Google+ because they have Facebook.
LinedIn - For professionals networking for employment purposes. I hope this helps.
We have the followingMySpace5BadooBeboFriendsterOrkut(Owned by Google)Zorpiaand many more.
I would suggest LinkedIn, Google+, 4Square.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.