The demise of Google Reader if logical is a reminder of how far we've come from the cuddly old 'I'm Feeling Lucky' Google days in which there was a foreseeably-astonishing delight in the way Google's evolving design tricks anticipated what users would like.
Look at growth look at how much time people spend on the Net and look at the variety of things that they are doing. It's all really good so I am actually encouraged by the fundamentals that underlie usage growth on the Net.