All of the messages are live streamed via YouTube on the NECC2023 playlist. You can access them using the link below.
Please note there are separate English and Chinese livestreams for each session. The livestreams will have both video and audio.
https://youtube.com/playlist?list=PLR3bhxr7oswnXcy4l7GYh9rkbYv3MAoFP&si=yjuu69IvVHLmV-Hb