Boiler rooms in Mumbai and other places, VPNed to disguise the origin. Microsoft, WWE, Nike and others have been busted when VPNs failed and Twitter, YouTube and other sites saw a user suddenly fly across the globe while still signed in.Not surprised one bit... I heard of companies that do 'reputation management' that basically run a type of mass shilling and attacking rival companies, pushing up scores across the net etc. I imagine they have loads of people in call-center type setups...