Anyone who has loved ones who are deaf or have difficulty hearing knows that communication can be a major hurdle, especially when distance is a factor. AT&T is extending their excellent Video Relay Service (VRS) to iPhone users with a VRS app for the iPhone 4 called AT&T Video Link. VRS allows the hearing impaired to communicate via American Sign Language (ASL) with an interpreter, who relays messages back and forth between the caller and the person on the other end. The iPhone app uses FaceTime to allow callers to call any number from their phone. They are then connected to an interpreter, who helps to complete the call. The app, available now from iTunes, and the VRS service are completely free of charge.