I think "Can you tell me the time?" is code for initiating a drug deal around here. Either that, or the people in the street who ask me don't know how to check the time on their phones.
I'm in the cafe at Tesco, booting up my MacBook. An old woman walks over, stands next to my chair, and stares at the screen as it comes on. I smile at her. She looks at me, looks back at the screen, then walks away.