Many of you have already seen this when it came out, but I think it's worth re-posting Randy Shoup's summary of architecture experiences from his time at Google and Ebay:

http://www.infoq.com/presentations/service-arch-scale-google-ebay

For those interested in a quick summary of his key points, Todd Hoff has one at http://highscalability.com/blog/2015/12/1/deep-lessons-from-google-and-ebay-... .

Gabriel