Three things

Here are 3

Pick one. Each takes about as long as it says.

• Wait for someone who stammers

  Finishing the sentence of someone who stammers is meant to help and does the opposite every time.

  5 minutesFreeA stranger

• Caption the video you posted

  Captions serve deaf viewers, people in loud places, and anyone watching with the sound off — which is most people.

  Half an hourFreeA stranger

• Pay the small invoice the day it arrives

  Late payment is the main reason small suppliers fail. Paying on receipt costs you nothing and can matter enormously.

  5 minutesFreeA stranger