But, I don't think Image via WikipediaI missed the point of Twitter at all. It's quite the opposite. I'm constantly trying new Web 2.0 tools. Many do what they are supposed to do -- just like ordinary tools in your toolbox. But time and efficiency matter. Where I'm at right now in my professional life, I need a power washer not a putty knife/paint scraper. Both do what they are intended to do, but one gets results much more efficiently. Blog commenting, Nings, webinar participation, and back channel commenting are, to me, PLN power washers.