Twitter Mania: Google Got Shut Down. Apple Rumors Heat Up.
techcrunch.com
techcrunch.com
If anyone buys twitter, it'd be for one reason, and one reason alone - PR. It'd be just like buying the milliondollarhomepage - which was also "So hot right now!!!".
To rephrase: "We have to follow the herd here even though it's a very wild rumor."
They might have deals with carriers that they are not allowed to sent sms messages through the internet and must use the carrier's network, but what if they are deploying their own sort of sms network?