Thanks for your responses! Mainly wondering about doing this on ESTA, as I wonder if this would qualify under "Business meeting".
Will be posted to Youtube and Spotify etc.
Would a visa (e.g. O1, E2 etc) be needed for the A-D cases below?
A) Record video podcast in the US with US guest without ads in episode
B) Record video podcast in the US with US guest with ads in episode
C) Record video podcast outside the US (e.g. UK) with US guest with/without ads
D) Record a remote video podcast over Zoom with a guest from the US with/without ads (she is in the US, I'm in the UK)
Other social media colabs meaning: a US company paying me an invoice for promoting their products, while I am in the us. Is the key factor here where I am located where I'm doing it? Not seeing a problem doing that while I