Before the talk, we dug into pizza.
At least 50 people showed up, so the three pizzas didn't last long!
While we settled down, Hans prepared his diagram.
Our "Free Stuff" table.
Hans getting started...
Hans explaining how files are split between leafs in a balanced tree
structure.
More Hans.
Hans answering questions...
...Like one from Mike Simons.
Over half of the crowd stuck it out to the end.
Two hours later, the whiteboard is full!