Which of the following networking site is the BEST?

I prefer Facebook.com and twitter.com. Face book is really one of the best because we can directly converse to friends through posting on walls and can post our responses immediately. There's lots of applications too, I love trivia challenge and made some quizzes there. I like twitter because I can post thoughts and opinions directly in the homepage. I can choose people to follow, people and organizations which have something to do with my plans in the future and want to know some informations with their field. Twitter and Face book are very revolutionary and innovative, they are fit to the lifestyle of todays generations.

In my point of view the best site is facebook.

Well, I have not used any of these. However, facebook is fast becoming the most popular site. Almost everyone I meet is on Facebook now a days. And do not count out Mylot !! Regards