Bootable business cards have been around for a while. Eg CD based: https://en.m.wikipedia.org/wiki/Bootable_business_card https://en.m.wikipedia.org/wiki/Boota

Bootable business cards have been around for a while. Eg CD based: https://en.m.wikipedia.org/wiki/Bootable_business_card https://en.m.wikipedia.org/wiki/Bootable_business_card PCB based: https://hackaday.com/2019/12/24/now-even-your-business-card-can-run-linux/ https://hackaday.com/2019/12/24/now-even-your-business-card-... There’s also NFC based digital business cards, which are now really common. But they’re obviously it bootable / running Linux.