I think that the parent is talking about how much power Google has over mail delivery within its own system, which encompasses a larger number of people. If Goo

I think that the parent is talking about how much power Google has over mail delivery within its own system, which encompasses a larger number of people. If Google decided to switch to a non standard protocol, then smtp'ers would be left high and dry as Microsoft and Yahoo possibly follow suit to maintain an advantage. Speculation of course but it does point out the problem with Google becoming too big.