Because my box of 365 brand "natural" sandwich cookies tells me they were produced in a facility that also handles tree nuts.
And I didn't really know which nuts were tree nuts.
Do you know?
I do now!
What was the very last thing you googled?
And when do you think was the genesis of google being all verbed out?
Do you tell people to "look it up on google" or "go google that shit and leave me alone"?