Sometimes we laugh at what people share on twitter. Sometimes we get sad, sometimes angry. But, sometimes Twitter can influence the world and world events can control Twitter.
UPDATE 1: Sometimes twitter shows us that media is fallible. Sometimes twitter shows us how twitter is fallible.
UPDATE 2: Sometimes the world can bring twitter to its knees and open the eyes of those using Twitter http://mashable.com/2009/06/17/iranelection-crisis-numbers/