If you've ever used a habit tracker, it's basically this. Name a handful of habits you want to build or break; start small. If you are successful, that's a bead for each habit in one jar. If you are unsuccessful, that's a bead in another jar. If you are consistently unsuccessful, scale back to an ea...

Short answer: 3 beads

That's a narrative, Modi thinks he can be friends with everyone even enemies of his friends.

Who woulda known that academics would all wind up groveling at the MBA alumni luncheon known as linkedin

My understanding is that Jack Dorsey had the idea but didn’t know how to do it, as in, had no experience with the Bluetooth stack. I think he used https://github.com/block/goose and it produced something that worked. And, without knowing how it worked, he pushed to the App Store. Pretty cool way...