An inability to stream HBO Max on a subscriber’s preferred connected-TV platform is an instant deal-breaker for most would-be customers. While streaming services are available on just about any device, most streaming happens on television sets. Fifty-six percent of streaming hours worldwide were on connected TV devices in the third quarter last year, according to data from Conviva. That number is likely considerably higher in the United States, where TV and home broadband penetration are higher than average.