The New Jersey Judiciary recently began using SMSs, Facebook,Twitter and RSS feeds in the following manners:
This article poses the interesting question of whether using social media violates Attorney ethics codes. This question is currently up in the air in New Jersey and Texas.
NJ Courts Press Release
Is the Texas Judiciary ready for social media? I would recommended first it’s e-filing systems standardized by county.
UPDATE: The Texas Bar Association actively uses social media such as Facebook and Twitter. I can only find “7.07″ rules regarding online videos and firm websites.