They could provide all the client software. Hell, they could even make ad targeting work by moving their mail-reading bots to the client and have them select ads from a stack of mothership-provided ads, with no feedback except following the link if you click.
But I agree with you that it's very different from anything they do. Also, too vulnerable to piracy or cloning. Aaand it may not be feasible to run their bots in a weak machine.
But I agree with you that it's very different from anything they do. Also, too vulnerable to piracy or cloning. Aaand it may not be feasible to run their bots in a weak machine.