Google has strict licensing for what you can do with such data (almost nothing) and you have to go through an extreme vetting process However, this won't gener

Google has strict licensing for what you can do with such data (almost nothing) and you have to go through an extreme vetting process However, this won't generate the same headline because any company can go through it, and it isn't some API sold for some special privileged company. Also the user knows it is sharing their mails (not sure if that's the case with facebook)