The gigantic all green one that’s used mainly in cooking is pretty cool. I assume scientists will be cross breeding varieties like that to create the new ones. So shipping etc will be something they test.

Hardware keys are nice but expensive solutions. I’d love to convince my boss we should have them for all senior people plus sensitive roles like accounts and HR. Currently liking the yubikey nano, although its a pain if I forget it. At least I’m not dependant on a third party service.