One application Mann explored was a personal safety device for riding a bicycle while being able to see behind... LookingBack refers to a specific performance, Jun 15 1995, with Mann riding 180 miles from Cambridge to Cape Cod with camera on back-of-the-head streaming a low resolution monochrome image to the Internet every few seconds, showing "passed tense", i.e. what was "passed and past".
``For YOUR
protection, a video record of you and your establishment
is being transmitted and recorded at remote locations.
[insert darkglass here on shirt]
All criminal acts prosecuted.''