What is Nostr?
Visiting Fellow at Harvard Kennedy School, focused on mobility, cities & tech. Writing in 
CityLab, Slate, Fast Company, The Atlantic etc. Tweets: @davidzipper 

#transportation #cities #innovation #technology #transit #cars #cycling #trafficsafety
Public Key
npub1nj8c8u68lddxkdrmhg2l3qhze9r8p5jljt04ysd9w0p4ttuyj7dqwjh60p
NIP-05 Address
davidzipper_at_mastodon.social@mostr.pub
Profile Code
nprofile1qqsferur7drlkkntx3am590cst3vj3ns6f0e9h6jgxjh8s6447zf0xshcekrg
Author Public Key
npub1nj8c8u68lddxkdrmhg2l3qhze9r8p5jljt04ysd9w0p4ttuyj7dqwjh60p