Finally tried to hook up an AM4 chipset to a raspberry pi (someone suggested this on the pi-pci repository a few years ago), and it turns out it mostly just works.

Thinking about the semiotics of street stickers. A weathered sticker on a telephone pole indicates that you can put up a sticker and it will remain undisturbed long enough to gain some weathering. A hand-drawn sticker reminds you that you don't need a factory to make stickers. A sticker made from a mailing label suggests that mailing labels are easy to acquire. (They are in fact free at US post offices.) All of this completely independent of the message of the sticker itself.