The last time I went to a restaurant the menu was a QR code linking to a Facebook page. I coulnd.t even use it, had to rely on my wife's which has a FB account

The last time I went to a restaurant the menu was a QR code linking to a Facebook page. I coulnd.t even use it, had to rely on my wife's which has a FB account to read the menu. Now that you mention analytics I wonder if they get info based on this strategy.