A few weeks ago, I was sitting in the audience, waiting for my turn to speak at DevOps Days in Minneapolis. Just before me, Xe Iaso delivered a funny and thought-provoking talk on building a social network on a whiteboard. It was very well done and had me feeling nervous about following that session.

The talk is a bit of a satirical look at an interview Xe had for a company that tried to get them to derive an architecture for a large distributed system. It was interesting to hear Xe note that often we have architecture diagrams of what we'd like to have, but never an explanation of how we implement a large system, especially one that has to grow as our workload grows.

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