It's a valid consideration, but I'm sure you can't quantify what percentage the market has shrunk by in light of this (nor can I). My gut would say no more than

It's a valid consideration, but I'm sure you can't quantify what percentage the market has shrunk by in light of this (nor can I). My gut would say no more than 5%. Until you can run Zencart/Xcart/Wordpress etc on Appengine or Heroku, there are going to be a lot of people who need monitoring. :)