What are the Clubhouse server’s costs? Is the Agora partnership so important?

Prologue
The “Clubhouse” is the invite-Only Audio Chat Application. It was launched in April 2020. Clubhouse’s explosive growth happened after Elon Musk’s interview in January 2021 and crossed 10.1 million registered users as of February 13, 2021.
Stream baby stream!
Great Post! loved it..
If possible try to do such analysis on Discord also!.. like Server costs, Streaming technology they using, low latency CDN etc!
Thanks Ash, I will try to find information about Discord and calculate the costs.