“Btw, I’d like to apologize for Twitter being super slow in many countries. App is doing >1000 poorly batched RPCs just to render a home timeline!” Musk wrote on Saturday. The tweet was wonky enough to soar over the average user’s head, but to Twitter’s engineers, it was blatantly false. In #social-watercooler, they called out Musk’s mistake, showed he had conflated various technical terms, and poked fun at his lack of expertise with laughing emojis.

