Have you done any comparisons between other competitors?

No not really, but since the news dropped we're starting to get into conversations about it, will be doing some research on other WebRTC providers soon.

How did you end up on/hear about Zoom?

I am in a bubble with Pion. Open Source devs from different companies all are chatting/contributing to projects/doing talks. Zoom isn't active so assumed all they had was a conferencing offering.

Has anyone done any comparisons between competitors? Currently looking at zoom vs daily for a client

Shamelessly plugging Dyte.io. I work here.