According to (somethign I read in a paper, or online, or on the Metro) 75% of people using twitter close their accounts, or become domant within a month!
Neither do I; I suppose it's just another avenue for attention seekers to get everyone to, well, pay attention to them. It's just as annoying/pointless as the retards who stand in the background flailing their arms while a news personality is reporting from the streets, IMHO.