Iceland beat England. Down 1-0 early in the match, the comeback that has never happened in modern English tournament history happened to the most expensive squad of underachievers ever. Final whistle: Iceland’s defensive block materializing out of pure discipline, Sigthorsson’s shot sliding under the goalkeeper, and a nation of 330,000 people celebrating one of the greatest upsets in history. The England manager resigned before the press conference. Our London-born designer came in Monday staring at the wall and nobody invoked the work queue. The qualification streak is officially the asterisk. Records are vanity metrics. Tournaments are revenue.
And then Thursday the UK voted to leave the European Union and the other kind of history happened. Markets convulsed, the pound hit thirty-year lows, our London-based customers spent Friday asking questions we couldn’t answer, and “Brexit” completed its journey from portmanteau joke to load-bearing fact. Engineering angle, small but real: every assumption in our billing code (currencies, VAT, data residency) was written by someone who thought the EU’s membership list was a constant. It’s a variable now. Everything is a variable eventually; the senior move is knowing which constants to distrust first.
TIL: referendum night taught the polling-model people the same lesson AlphaGo taught the Go people: your training data is the past, and the past votes differently. Out-of-distribution events are the only ones that matter.