You can also watch it in VLC by choosing menu - Media - Open Network Stream and putting in https://live0.emacsconf.org/dev.webm
If you have limited bandwidth, you can watch the low-res stream https://live0.emacsconf.org/dev-480p.webm.
If you don't have a streaming media player, you might be able to watch using the player below. (Google Chrome seems to be having issues; Mozilla Firefox might work better. If watching from a phone, Google Chrome seems to work there, or download VLC from your phone's app store and use the URLs like https://live0.emacsconf.org/dev.webm .)
Solid lines: Q&A will be through a BigBlueButton room (you can ask questions there or through IRC/Etherpad)
Dashed lines: Q&A will be over IRC or the Etherpad, or the speaker will follow up afterwards
Times are in Eastern Standard Time (America/Toronto, GMT-5). If you have Javascript enabled, clicking on talk pages should include times in your computer's local time setting.