If you have a Twitter account and you’re on Globe, this might get your interest. Globe Telecom has a new SMS service called UPD8 for Twitter.
What it does is basically allow you to send SMS updates to your Twitter account and receive personal alerts via SMS as well. This ahs been live since August 26, but only a few have been using it.
To register your phone number to your Twitter account, type “TWITREG
All sent SMS are charged Php2.50 each (like InfoText) and are available to all Globe & TM subscribers.
For more details and keyword commands, follow this site.
However, if you’re doing multiple successive Tweets, I think it would be cheaper to access Twitter Mobile via 3G and pay Php5 per 15 minutes.