Something not addressed in any of the articles I've though is privacy. The use of a hashtag on Facebook could bring instant fame to someone's usually quiet Facebook page...if your permissions aren't set to Friends Only. That's kind of the bad that comes with the good. You'll now be part of a greater conversation but there's a chance you attract conversations you don't want to be a part of.
So this feature went live today. Let's watch as the drama unfolds...or doesn't unfold. I still expect to see some backlash by the time the day is out.