On: Tell HN: Kevin and I are doing HN office hours Friday from 11 am to 1 pm PDT

[GuiA]

In US universities, where professors have to balance teaching and research, they hold "office hours" - hours during the day in which they're in their office, with the door open, and students can come in to ask questions, request help, etc.

[RobotCaleb → GuiA]

Ah, thanks! I've never been, so it was an unfamiliar concept.