Google and Microsoft unveiled measures to dam on-line searches for child intercourse abuse images on Monday as part of a bid by British authorities to crackdown on Internet pedophiles. The sector’s two greatest search engine operators’ move was a uncommon display of team spirit in advance of an Web security summit on Monday hosted by High Minister David Cameron. Google government chairman Eric Schmidt wrote in Britain’s Day-to-day Mail newspaper that these modifications had cleaned up the results for over one hundred,000 queries that could be related to the sexual abuse of youngsters.