Don't forget peering. Google eliminates a lot of their transport costs by peering directly with large network providers. Not only is that good for Google, it is good for network providers because their transport costs are reduced. -- There is no such thing as too much vacation, but I would wager that there is such a thing as too little.
they also have Datacenters around the world which means they have less distance to cover to each user. which im sure effects cost and performance for everyone involved -- [65 Arcanist]Filan(High Elf) Zone: Broadband Reports