More likely: there will be no hybrid approach and you'll see a piece of paper tacked to the bulletin board: "House throwaway Facebook account login for those without an account."

Seriously? There IS a hybrid approach (read above comments). Ridiculous.

I've been in a coffee shop that does this. You can either set the password yourself or log in via facebook. Don't remember the exact workflow, but it's possible.

You can see the setting to enable this from the provider's point of view from the last screenshot on this post on Meraki's site: https://meraki.cisco.com/blog/2013/05/youll-like-this-cisco-...

The main thing here that I didn't realize is that it seems there is ALWAYS an option to skip checking in, either by clicking "Skip checkin" or by getting the code from the cashier.