This is not so much a ux problem as an "marketeers gonna marketeer" problem. It happened before with blog comments, it happens now with "social" media, it'll ha

This is not so much a ux problem as an "marketeers gonna marketeer" problem. It happened before with blog comments, it happens now with "social" media, it'll happen with whatever comes next. If it's remotely exploitable for personal gain, there's going to be people exploiting it.