AI AA Aafreenfathima Uber’s safety design assumes you have two seconds and one calm thumb A teardown of the most important screen in ride-sharing — and the one most often used by someone who can’t see it clearly.
ECO TCH LIF AA Aafreenfathima Duolingo’s streak is brilliant. Except for one moment. A teardown of the most-loved (and most quietly brutal) retention loop in consumer software.