U.K. Prime Minster David Cameron isn't taking lightly the fact that London rioters sent messages and organized their efforts through social networks and the Blackberry Messenger service. In fact, he has called for rioters to be banned from social networks such as Twitter, Facebook and Blackberry Messenger and has reportedly set up meetings with the ...

Read More: U.K. Prime Minister Calling for Rioters to be Banned from Social Networks

What happens on Google+, stays on Google+. At least that's the way Facebook would like to see things. Web developer Michael Lee Johnson found that out the hard way. He was trolling for Google+ friends on Facebook by running a Facebook ad asking people to add him to their Circles on Google+. Facebook, apparently, did not like him using its site to build his own social network somewhere else. So it pulled his ads.

Read More: Google+ Ad On Facebook Is Banned