Me: What's the WiFi password?
Bartender: You need to buy a drink first.
Me: Okay, I'll have a coke please.
Bartender: Is Pepsi okay?
Me: Sure, how much is that?
Bartender: $3.00
Me: There you go. So, what's the password?
Bartender: You need to buy a drink first, No spaces, all lowercase.