6/29/2009

Companies as diverse as Elevation Burger, American Airlines and Exxon Mobil are contending with Twitter impostors. While there is a legal standard for trademark holders to deal with rogue Web sites that use trademarked names in their online addresses, no such legal standard exists for defending one's turf on Twitter. Co-founder Biz Stone says a verification process could be in place before the end of summer.

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