Here's a thought:
"It takes about the same amount of computing to answer one Google Search query as all the computing done — in flight and on the ground — for the entire Apollo program."
(Quote from Seb Schmoller's "Learning technology – a backward and forward look," attributed to Peter Norvig and Udi Mepher of Google on hearing of the death of Neil Armstrong)
I remember hearing that the processor in a singing greeting card had more capacity than all the electronic computers on Earth at the time of Sputnik's launch, though I can't find a cite for it at the moment. Exponential processor improvements are pretty wild.
Learning technology – a backward and forward look
(via Memex 1.1)