In case of emergency, break glass

In case of emergency, break glass

A few observations after Apple’s WWDC25 keynote The title of my article obviously refers to the new UI Apple presented on 9 June, which they call Liquid Glass. I won’t beat around the bush: my very first impression is that we’re in UI emergency territory, but we won’t be able to break this particular glass….

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The Art of Duolingo Notifications: The Subtle Manipulation of Language Learners

The Art of Duolingo Notifications: The Subtle Manipulation of Language Learners

Let’s get something straight: Duolingo is a brilliant app. It’s become a household name in the realm of language learning, and for good reason. The bite-sized lessons, the daily streaks, the gamified points, the whole dopamine-driven experience—it works. It works really well. And it’s not just the design that makes it addictive—it’s the notifications. Duolingo…

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