So far crowdsourcing has been associated with well-meaning altruism, such as the creation and maintenance of Wikipedia or searching for lost aviators. But crowdsourcing of a different flavour has started to emerge.
Law enforcement officials in Texas have installed a network of CCTV cameras to monitor key areas along that state's 1900-kilometre-long border with Mexico. To help screen the footage, a website lets anyone log in to watch a live feed from a border camera and report suspicious activity. A similar system called Internet Eyes, which pays online viewers to spot shoplifters from in-store camera feeds, is set to launch in the UK in 2010. An Iranian website is offering rewards for identifying people in photos taken during protests over June's elections.
Read more - 'The sinister powers of crowdsourcing'