"For reference, we have more than an order of magnitude more now :-) What's more amazing though is that a very small number of current servers (3-4, but that's

"For reference, we have more than an order of magnitude more now :-) What's more amazing though is that a very small number of current servers (3-4, but that's just a guess) have as much compute and storage as these 21 racks, so we could serve 1999's traffic on just these 3-4 servers."