HBO Max launched in the US in mid-2020 following the acquisition of Time Warner in 2016 which spawned WarnerMedia in 2018, and is now subject to a $43 billion merger with Discovery. AT&T also offers an IP version of its satellite TV service called DirecTV Stream. This was originally DirecTV Now, and then became AT&T TV Now, before settling on DirecTV Stream. Operations and figures: Before the spin-off, AT&T’s premium video businesses (DirecTV, DirecTV Stream, and U-verse TV) had 15.4 million subscribers, down from 17.7 million in Q2 2020. HBO Max has 41.7 million subs in the US, adding 13 million YoY, but the latest numbers show 1.86 million fewer domestic subscribers from Q2 to Q3 2021. Overseas, there…