AT&T reacts to iMessage, removes lower tier SMS plans
engadget.com
engadget.com
Just switch to Google Voice.
I'm reminded of this every time I leave a voicemail and have to listen to the lengthy instructions on how to use it -- not to be informative, but to up your talk time.
Ultimately, these are stop gap measures and doesn't stop their decreasing ARPU from losing dollars to 3rd party services not run by them - text, overseas calls, apps, and media (songs, movies, ringtones), even voice calls and location-based services. Carriers have been projecting an increase contribution of ARPU from data services and text is a major component of it.
Anyway, raising prices to beat a downward trend is dangerous. Could make it worse.