it's more complicated than that. if MS paid Apple to be the default that would probably be anti-competitive against even smaller search engines. (but paying for

it's more complicated than that. if MS paid Apple to be the default that would probably be anti-competitive against even smaller search engines. (but paying for search traffic is likely not in itself anti-competitive. doing it to keep others out of the market is when you are Google. where's the boundary? well, yes, it's complicated, depends on which market, what audience, how easy it is to switch providers, etc.)