Small gatherings of people are powerful

# Small gatherings of people are powerful Ref: [Savage Jim on Twitter: “Only half joking. One of the most powerful tools I see used in philanthropy is small gatherings of 20-50 people (who work on similar things in different places) for a few days. As a quant, the practical immeasurability of the outcomes grated at first. Now I’m a convert.”](https://twitter.com/jim_savage_/status/1197674854306197504)  [Web URL for this note](http://notes.benjaminreinhardt.com/Small+gatherings+of+people+are+powerful) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Small+gatherings+of+people+are+powerful)