https://techcrunch.com/2019/11/06/72-hours-left-for-early-bird-passes-to-disrupt-berlin-2019/ > Did you know that the cuckoo clock originated in Germany? It’s a fact. And while the origins of early-bird pricing remain shrouded in mystery, one thing remains clear. Early bird passes to Disrupt Berlin 2019 disappear in just 72 hours. > Depending on which pass you buy, the early bird can save you up to €500. You’d be cuckoo to miss out on that deal. Here’s another fact. You’ll score the best price only if you buy your early bird pass before the 8 November at 11:59 p.m. (CEST) deadline.