Community bulletin board
 | This article needs attention from an expert in Technology. Please add a reason or a talk parameter to this template to explain the issue with the article. (July 2011) |
A Community bulletin board (CBB) is a digital signage system that Public, educational, and government access cable television providers use as a Barker channel to keep communities up to date of events listings, weather and other news that can be delivered by using digital on-screen graphic s. The electronic bulletin board concept is a form of Technological convergence.