DriveSafe.ly, which is also the product's Internet address, boasts more than 750,000 users and is the focal point of Verizon's "Don't Text and Drive" campaign. You don't need a Verizon phone to use it, but you do need a smart phone that can run the application: the current list includes iPhone, Blackberry, and Android and Windows mobile platforms.
After launching the app, Drivesafe.ly reads aloud in real time any text messages and e-mails you receive while driving. It does not let you send any outgoing messages. Instead, it automatically lets whoever's messaging you know that you can't respond because you're driving.
The free version lets you hear just the first 25 words of a message. The "Pro" version, which has a one-time charge of $14, lets you hear up to 500 words.