They _did_ serve the data. From TFA: > To demonstrate its scale, we operated the instance with 100M bots posting 3,500 times per second at 403 average fanout.

They _did_ serve the data. From TFA: > To demonstrate its scale, we operated the instance with 100M bots posting 3,500 times per second at 403 average fanout. The linked post about their demo [1] has more details about the challenges involved, including rendering home timelines. [1]: https://blog.redplanetlabs.com/2023/08/15/how-we-reduced-the-cost-of-building-twitter-at-twitter-scale-by-100x/ https://blog.redplanetlabs.com/2023/08/15/how-we-reduced-the...