An article in the Wall Street Journal noted that Google was planning on entering the market to provide wireless data services. According to the article, "Google has said it isn't looking to supplant the big carriers, and Verizon's and AT&T's enormous scale means they can't easily be dislodged."
a. What does Google mean that it was not trying to "supplant" the big wireless carriers?
b. What does Verizon and AT&T's enormous scale have to do with the difficulty that Google, or another entrant, would have in supplanting them?