Our aim is to have between two and three stops at every race, so it's clear that four is too many: in fact, it's only happened once before, in Turkey during our first year in the sport.

CNN: Pirelli admit tire testing 'inadequacies'

It had happened only three times in her life, less than once a decade.

NEWYORKER: Shauntrelle

Dial the 800 number, work through a dizzying array of menu choices, choose to speak with a human being and wait on hold listening to music for 20 minutes to two hours (it happened to me once) and you might reach a person who can (in only 70% of my cases) provide definitive, final help.

FORBES: Time Wasters, Time Savers