metrics.md

@@ -3,6 +3,7 @@
 # Privacy-preserving data collection techniques
 
 - https://divviup.org/
+  - [LWN's "Divvi Up: privacy-respecting telemetry aggregation"](https://lwn.net/Articles/983843/)
 - https://research.swtch.com/telemetry-intro
 - https://en.wikipedia.org/wiki/Differential_privacy
 - https://lwn.net/ml/fedora-devel/CAJqbrbeOZrHvYjvMCc=qGZD_VXBs3-qReeirr+F8t01Eq1sYhw@mail.gmail.com/