Here's a great top 20 list: ebizmba.com/articles/social-bookmarking.
Stumbleupon. Com delicious. Com Those are the ones I know.
The only ones I know of are stumbleupon stumbleupon.com/ Fave faves.com/home and delicious delicious.com/krusheasy.
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.