[$] Divvi Up: privacy-respecting telemetry aggregation

There is ongoing discussion about the ethics and effectiveness oftelemetry following some recent LWN articles that touched onThunderbird's use of opt-outtelemetry and planned metrics in Fedora. TheInternet Security Research Group (ISRG), the nonprofit behindLet's Encrypt, has a potential solution to the problem of how to collect andaggregate telemetry without violating users' privacy. The scheme is based on adraftprotocol being standardized with the Internet Engineering Task Force (IETF),and has anopen-source implementationavailable.