NEW YORK (AdAge.com) -- Even the small number of big-time marketers who actually understand Twitter remain wary of its raw and free-wheeling nature. But imagine if they had a system that could automatically find, aggregate and display as a stand-alone feature only positive Twitter chatter about their brand. What if they could even filter out profanity and mentions of competitors? That's what the recently-launched Tinker.com aims to do. Glam Media's Joe Lagani explained it at the ANA's Brand Innovation Conference last week.