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This is one of the 🤯🤯🤯 experiments we ran on the Duolingo Retention team : https://t.co/Dv9Wp377vT

And, as Jeff's annual letter to shareholders has emphasized from the very first instance, Amazon's mission is to be the world's most customer-centric company. One way to continue to find vectors for growth is to stay attached at the hip to the fickle nature of customer unhappiness, which they're always quite happy to share under the right... See more

One thing I do look back on fondly was how incredibly focused we were. Resources and time were so tight that you could feel the weight of all the things you weren’t working on. You had real conviction that the thing you were doing was the most important thing.

To pick a somewhat trivial example, at fireside chats with Mark (the predecessor to the... See more