minus-squarevinnief@mastodon.socialtohistodons group@a.gup.pe•If history had taken another path, bar codes would look dramatically different today. Pictured: Here’s some of the options that were being considered, and the bull’s-eye was a favorite ⬇️linkfedilinkarrow-up1·10 months ago@TheConversationUS@newsie.social @histodons@a.gup.pe the carecogn disk version is propagated on WeChat now. linkfedilink
@TheConversationUS@newsie.social @histodons@a.gup.pe the carecogn disk version is propagated on WeChat now.