Half-Light: Mark Klein and Room 641A

Mark Klein (archival audio: It's room 641A says on the door, and what's mysterious about it is there's no door handle. Daina Bouquin: There is a room on the sixth floor of a building on Folsom Street in San Francisco.

It goes beyond the title with direct discussion of mark, room, light, including: So it looks kinda odd.

1. 01Daina Bouquin: There is a room on the sixth floor of a building on Folsom Street in San Francisco
2. 02Rooms full of routers and modems and the perpetual mechanical whirr of the machines that make our phones work and the internet run
3. 03Mark has keys to every door in the building except for this one