Twitter Needs a Spam Filter? No, We Need a Marketer Filter

Has Twitter spam gotten a little out of hand? According to today's top story on Techmeme, it has. Apparently, marketers are calling for Twitter to filter out spam and other adult content from the microblogging service. You know, so their all-important tweets about the products and services they're pushing don't have to share the same web space as that other nasty stuff. But fighting actual spammer...