You forget that advertising costs are distributed over millions of widgets that a company may make and sell. A single individual will never pay more out of pocket. Millions depend on wikipedia. These same millions will see the ad and pay just a fraction of a cent more in the product cost. To me, this is fair. Some non-intrusive advertising will actually be a very good model for wikipedia as long as it doesn't influence the content.
Only one tier 1 provider – a wholesaler to other ISPs – carries more Internet traffic on its backbone network than Google does (Arbor declined to identify the provider)
Arbor may decline to identify the largest provider but this is Slashdot, damn it. You know you will find the answer here.
And, the answer is... Level 3 Communications
Intel CPUs are not defective, they just act that way. -- Henry Spencer