tweeter is Superior.

In Google penguin updates now Google have strictly against the paid links and spam stuff like blog commenting with link farm. , blog comments will be excepted only when its are relevant to the niche of the site .So the important thing which have mention in update that now Google will prefer the links on social engine So there is two main network in social engine that is Facebook and tweeter .In Facebook more fans can give more better results and on tweeter more following and tweet have benefit so Facebook's promotion is depend on fans and their mood for liking but on tweeter you can connect with people through tweet your posts and can get good and quick traffic as compare to tweeter so tweeter is Superior.

well. brilliant. except for Twitter traffic is not converting