NBCUniversal's Peacock is the latest streaming service that isn't available on Roku and Amazon Fire TV

· NBCUniversal's new streaming service, Peacock, launched on Wednesday, but not on Roku or Amazon platforms.
· Roku and Amazon account for 70% of the combined market share as of July 2019, according to the market research firm Parks Associates.
· WarnerMedia's HBO Max still doesn't have a deal with Amazon and Roku more than...