Listening to the lawyers representing Elon Musk and Twitter argue over which documents need to be provided as part of legal discovery today, I began to wonder if it is possible to measure anything at all.
The arguments centered on a wonky count of user numbers: mDAUs, or “monetizable daily active users.” It’s a nonstandard measure — most social media companies use daily or monthly active users — that focuses on which users can see ads. But Twitter is a nonstandard social media company!
