At the end of last year, I posted on the relevance of Web 2.0 technologies for the enterprise. Over the past couple of months, this theme has received a lot more attention, prompted in large part by the writings of Dion Hinchcliffe and by the discussions at two industry gatherings – SPARK/MIX 06 and Software 2006. (For those who have not been following my blog, I attempted my own definition of Web