Many of these companies required you to agree to an absurd NDA which is extremely one sided... all for the benefit of attending a meeting they invited you to.
Getting your picture taken would be a much better deal.
How about neither?
I haven't seen this happen in a few Microsoft and Google offices across Europe
Not at google or apple. yes at facebook (predictably)
I'm almost positive I had my picture printed on a paper badge at both Google offices I visited, but they were so long ago I can't be 100% sure.
In Mountain view you only needed a name, and not even to show ID to prove it was real.
Source: 7.5 years of signing guests in to visit me
I've had my photo taken at sign in the large NYC office.
I’ve visited google a few times and never had my picture taken.
They definitely did it in NYC as of a few years ago
This was the building owner, not google. Once Google bought the building, the practice stopped.
Name is required at many places, but usually not a photo.