FILE - In this Monday Aug. 8, 2011 file photo a masked youth pulls a burning garbage bin set on fire by rioters in Hackney, east London. More than two weeks after the end of riots in London and other ... more 
FILE - In this Monday Aug. 8, 2011 file photo a masked youth pulls a burning garbage bin set on fire by rioters in Hackney, east London. More than two weeks after the end of riots in London and other English cities, Britain's government and police met social media executives Thursday to discuss how to prevent their services from being used to plot violence. (AP Photo/Lefteris Pitarakis, File) less 
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Associated Press | Photo By Lefteris Pitarakis, File
Thu, Aug 25, 2011 12:18 PM EDT