[kmm]

It shows that they were over their worst estimate total volume in one day. Were they really expecting less than a few million user-days in total?

[bduerst]

From the article, it seems like a few million users/day is a typical expectation, but record-breaking isn't.

>Throughout my career as an engineer, I’ve had a hand in numerous product launches that grew to millions of users. User adoption typically happens gradually over several months, with new features and architectural changes scheduled over relatively long periods of time.