Our view is that many people don't want to break out of their existing contracts with their carrier -- which one has to do when porting their current # to GV

Many people are stuck in long term contracts with their carriers. When you port your #, it breaks that contract.

This is definitely not for everyone, but if you look at the comments from users, you'll see why people are using it:

https://chrome.google.com/webstore/detail/dkfhfaphfkopdgpbfk...