I added a button to the vest so that the visually impaired person can send an email to someone who can help them in case they have fallen or need help. The email address and message are preconfigured. It uses Wi-Fi to make the connection.

9/28/14 Update:  The additional button on the vest, when pushed, now sends an email to a remote assistant that includes a picture taken by the Kinect. This way the assistant can call the wearer and tell them what is in the picture.