There are quite a few businesses that are run on AppEngine that don't necessarily advertise the fact that they are running on AppEngine. I've worked with two c

There are quite a few businesses that are run on AppEngine that don't necessarily advertise the fact that they are running on AppEngine. I've worked with two clients that have extremely successful websites running on top of AppEngine and are happy with it, but the costs mentioned in the article are absolutely true and something that they chose to bite the bullet on for a one time transition. I can't imagine what it would cost to get all of the data out to do a migration.