Focussing CCTV Operator Performance (Part 1) - October, 1998, Vol 4 No 8. Click here for Human Factors Articles - Visit the Human Factor Discussion Forum. Part One - Providing a Focus for Observation. Effective surveillance requires operators who are focused on what they are doing and make the best use of their attention span. In previous articles I have written about issues in setting up a CCTV system and how to address some of the human factors and control room ergonomics.
A news aggregator is software that periodically reads a set of news sources, in one of several XML-based formats, finds the new bits, and displays them in reverse-chronological order on a single page..
News Feed. The news feed is the primary system through which users are exposed to content posted on the network. Using a secret method (initially known as EdgeRank), Facebook selects a handful updates to actually show users every time they visit their feed, out of an average of 1500 updates they can potentially receive. On September 6, 2006, Ruchi Sanghvi announced a new home page feature called News Feed.