I am often grateful for the diligence with which I checked into places on Foursquare / Swarm during the mid 2010s. I need to remember to keep checking in!!

I dig old computers and used bookstores. 

The only problem is externality pricing.

Building https://negationgame.com

Building getinboxzero.com and sharemint.xyz.

I also run a YouTube channel, "Learn from Open Source": youtube.com/elie2222 

Trip planning! Going back to some cities I haven’t been to in a while and I can more easily remember spots using the check-in map overlay