GeekWire: Demetrius Johnson 是 MMA 传奇人物和 Twitch 主播，他正在与 tech geekwire.com/2022/demetrius 合作…

原推：Demetrius Johnson is an MMA legend and Twitch streamer who is getting in the ring with tech geekwire.com/2022/demetrius…
https://twitter.com/geekwire/status/1566080417425371136