Celý článek

Julian wanted to brush up on his Japanese and Spanish. The popular language learning app Duolingo, with its gamified incentives and rewards, its leagues, tournaments, and power-ups, seemed like a good way to do it. He started spending hours in the app, trying to claw his way to a better rank. That’s when he started…

Read more...

Nahoru
Tento web používá k poskytování služeb a analýze návštěvnosti soubory cookie. Používáním tohoto webu s tímto souhlasíte. Další informace