I could never get the hang of Orkut. I also literally knew nobody that was on the network. Many also could not figure out why the network still existed after Google had put so much time and effort into launching and maintaining Google Plus. Those questions have all been answered via a post from...
How awesome would it be if we were able to +1 tweets right on TweetDeck?
There is already a Chrome extension that does this on the actual Twitter website, but who really uses that anyway. http://domdoes.co/poll9
It would be great if someone could get it to work with TweetDeck.