There is no way that Google's Project Fi wireless service is going to get tens of millions of subscribers and rival mega-carriers like AT&T and Verizon. But that's not a big deal because Google didn't launch Project Fi to make money directly from monthly subscription fees anyway. The real reason Google launched Project Fi was to change the wireless industry's behavior in ways that benefit Google and, if we're lucky, wireless consumers as well.
The real way to tell whether Google’s wireless service is a success