You tube, 14 minutes
**https://youtu.be/GT0dQ23F_Lo**
A quick tour of the site. Youtube, 6 minutes
**https://youtu.be/nf9_9j2-vEY**
Some thoughts about pieces of the Problem Puzzle that are probably not getting counted correctly. Youtube 13 minutes
**https://youtu.be/vjaVrA8sp5g**
All the stories about the Big Problems include Numbers. Here’s some thoughts about how difficult they are to communicate and understand. Youtube 17 minutes