ellie, 
touchy subject! but does anyone have any examples of telemetry in open source projects that has been done well?
success criteria:
- allow the project to allocate time to things people actually use
- identify issues people may have, as not everyone files issues or can effectively report a bug
- preserves privacy + anonymity, and isn't creepy
eg right now I'd love to know what config/features people actually use, so I can stop maintaining what isn't necessary
