Customer: “Well I need one of those things that go in back of my phone. wat’s it called?”
Me: “I’m not sure wat it is, ma’am.”
Customer: “Oh yeah, I remember wat it is. A stem cell…”
Me: “A wat????”
Customer: “u know, a stem cell so I can make calls…the little card thing…”
(She was thinking of a SIM card; I died laughing when she left!)