In 2023, Duolingo generated over $500 million in revenue with a deceptively simple feature at its core: a streak counter. This wasn't just any counter - it was the result of over 600 experiments conducted across four years, each one peeling back layers of human psychology to understand what truly motivates daily engagement. The numbers tell a compelling story: users who reach just a 7-day streak are 3.6 times more likely to complete their language course,
Be estudio, Paola Pabon & Santiago Beaume + 27 More SpecsLess Specs Be estudio, Paola Pabon & Santiago Beaume Text description provided by the architects. Ethics, in principle, is about considering the other: the body of water in front of us, the soil and its microscopic inhabitants, the morning and afternoon light, the possibility of a tree traversing space without disturbing the birds' nest, or having the best conditions to gaze at the sky between canopies.
