"Unless you have a written agreement with Google Fiber permitting you do so, you should not host any type of server using your Google Fiber connection, use your

"Unless you have a written agreement with Google Fiber permitting you do so, you should not host any type of server using your Google Fiber connection, use your Google Fiber account to provide a large number of people with Internet access, or use your Google Fiber account to provide commercial services to third parties (including, but not limited to, selling Internet access to third parties)." That is an "or" so no servers at all without written permission. This text is referenced from the TOS as examples of what you shouldn't do but the wording isn't actually in the TOS.