The 2008 Olympics are supposed to be from August 8 to August 24. If I allow for some extra - let's call it 18 days - the 3600 hours means 200 hours of coverage a day. You've listed 8 channels, so that means 25 hours of coverage per day per channel. You forced me to go to the futon critic to read the story:
OK, got it. NBCOlympics.com can pick up the slack with multiple streams offered.