Here is a great article on just this. It is commonly known as the "gpl loophole", which RMS is entirely fine with. If you want to prevent this, you license the

Here is a great article on just this. It is commonly known as the "gpl loophole", which RMS is entirely fine with. If you want to prevent this, you license the software the with Affero GPL, which explicitly forbids this. http://radar.oreilly.com/2007/07/the-gpl-and-software-as-a-serv.html http://radar.oreilly.com/2007/07/the-gpl-and-software-as-a-s... Amazon / Google / etc are not redistributing the software as it is running on their servers in their environment, therefor, there is nothing wrong with the existing licenses.