Don't waste your time queueing to see the Mona Lisa.
It's really tall, for one.
Even though it doesn't tick. Do bombs even tick?
Asking for a repeat, but in a different speech synthesizer.
Look for an apparently-useless switch.
Squeezing through tight spaces.
Use your passport expiration date.
The minimum you need to know.
A fifty-year-old replay.
How much did you understand the rules?