> They can't raise prices and exclude competitors long term. Of course they can–remember: they get paid by advertisers, but it's the users that make the decisi

> They can't raise prices and exclude competitors long term. Of course they can–remember: they get paid by advertisers, but it's the users that make the decision to use them. For many businesses, search is the only online ad channel that actually works, and it's not straightforward to see how any competitor could catch up to their technological advantage in search.