Thanks! We've now gone above 3 times our original funding goal, and the big question is: what's the best way to spend this money? It's not really a lot of money, so we have to be careful with it. If anyone has good ideas, please post them here:

* John Baez, [Azimuth backup project (part 3)](https://johncarlosbaez.wordpress.com/2017/01/22/azimuth-backup-project-part-3/), 22 January 2017.