Thank you for posting this. I've somehow never heard of Postcrossing, but I've now signed up and will have a couple cards put in a mailbox this afternoon. I am so so excited to actually receive mail. I've sent close to 150 postcards over the last 12 months to various people I know IRL, and not a single person has responded in kind. The only mail I get is from a penpal in Finland I met on Lemmy (which is always a treat to receive!)

I'll just so happen to be at the world stamp expo, so I'll be sure to try and check out the postcrossing meetups, and pick up some of these stamps hot off the press!