Re:Ask HN: What was the biggest contributor to your happines...
by eskimobloood on Sunday March 21, 2021 @12:08PM
(#26531422)
Yes, stands for plotter twitter postcard exchange. I think there is no real info online. It was organized by Paul Butler[1] on twitter. In the end you but your info into an google sheet and he organized sending out emails with the addresses for your postcards to send to.
[1]https://twitter.com/paulgb