[candiddevmike]

This is why I don't touch other people's keyboards.

[brookst]

Yeah, this is a good argument for licking them instead.

[capableweb]

Little bit of bacteria helps build up your immune system for when you really need it :)

[Sohcahtoa82]

You jest, but it's actually a legit hypothesis.

https://en.wikipedia.org/wiki/Hygiene_hypothesis

[idk1]

Well from another perspective, a bootstrapping perspective, and hackernews does like a bootstrapping perspective, I could make a case that a good meal could pick licked out of most keyboards, saving money on lunch once a week.