> $20B. It is hard to believe that this payment is just for being the default search engine.
Well ask yourself what the value of this placement is? Google earns about $200 per user, mostly in ad revenue. If Google search wasn't default, they'd probably lose half the users.
There are 1 billion iPhone users. At $200 each, Google stands to loose $200b. So a price tag of $20b to keep that...