This is the third post in my “clouds over” series, which points out areas of the current IT landscape that will be affected by the inexorable move to cloud computing (the first post was on hosting, the second on DB software). Today’s edition covers simple paid apps and services, such as hosted blogging platforms. Exhibit A is of course 37Signals’ Campfire, for which google engineers built a free version with very similar functionality which they had called HuddleChat. Google took it down beca...