My son: what use to be in that building?
Me: a store called Blockbuster
My son: what was Blockbuster?
Me: a place to rent videos and games.
My son: *silence*
Me: it was very popular back in the day
My son: *more silence*
Me: in the early days you could even rent VCRs
My son: ok... seriously. What use to be in that building?