Updated at the end.
The big buzz in the social media world lately revolves around Twitter's rollout of its "list" feature, which allows you and others to create lists of your followers: easily tagging them so you can share those lists with others. Robert Scoble thinks it's a game changer, and is pushing the value proposition for them hard. But I think lists, because they have no consent mechanism and because they can be made public, are boneheaded, broken, and ultimately make Twitter a dangerous tool to use for anyone who values their reputation.
