Historically, two-factor authentication is not a new concept but its use has become far more prevalent with the digital age we now live in. As recently as February 2011 Google announced two factor authentication, online for their users, followed by MSN and Yahoo.
Body worn video (BWV), also known as body cameras, is a video recording system that is typically utilized by law enforcement to record their interactions with the public or gather video evidence at crime scenes, and has been known to increase both officer and citizen accountability.
Lose them! If you have video recording devices, such as a webcam, record yourself as you speak and play back both sound and image. Watch your body language as well as listening to voice tone because your overall projection is important for giving across a sense of friendliness.