That's my favoring saying, by the way, but is this more expensive to build and maintain than, let's say, Gmail? I doubt that. Also, there are many ways to monet

That's my favoring saying, by the way, but is this more expensive to build and maintain than, let's say, Gmail? I doubt that. Also, there are many ways to monetize - I'm sure Google has something better in mind that the simple commission-based approach.