At Facebook, the company's site-integrity team spends its days and nights scanning for spikes in what users report as spam, and other unusual activity, such as friend request rejections.

WSJ: Spam Finds a New Target

"Tepco (Tokyo Electric Power) should continue its efforts to improve the reliability of essential systems, to assess the structural integrity of site facilities and to enhance protection against external hazards, " the International Atomic Energy Agency (IAEA) said on Monday.

BBC: IAEA calls for improvements at Japan's Fukushima plant

The Committee believes this project will undermine the integrity and authenticity of the site and should be immediately halted.

UNESCO: Brasilia Field Office News Archive