Editor’s Note: Dave Ryan is one of the most dedicated #TChat members. Every week, as the tweets fly by and the twitter stream becomes ever harder to keep up with, we see one or two people ask desperately, what is #TChat? They see the hashtag but don’t quite get it. So from one of our earliest and most helpful members, here’s a break down on why #TChat is important and some fun ways to participate. I have become an avid particpant in the TalentCulture (a.k.a. #TChat) chat – and I think you should join #TChat as well. #TChat is quite simply