Why Twitter Matters Can the fledgling microblogging service become a social media powerhouse to rival giants like Facebook—or will it be gobbled up?

It's easy to laugh at nonsense on Twitter, the microblogging rage. "My nose is leaking," writes someone called Zapples, "so imma go to sleep now.…" But I've heard lots of similar drivel (and even produced some myself) on the phone—an important technology if there ever was one.

The key question today isn't what's dumb on Twitter