It's not a matter of how many ads need to be clicked to pay for the phone, it's about gaining mindshare, more searches, more people using gmail, mobile google m

It's not a matter of how many ads need to be clicked to pay for the phone, it's about gaining mindshare, more searches, more people using gmail, mobile google maps ubiquity and so on. I have no idea how they could even measure revenue gained by Android use accurately, or even on what timescale they expect to really start benefiting from it, but you can be sure it's going to be huge in a few years.