Super Insightful Tweet Threads you just can’t miss.

Gina Gotthilf, VP of Growth at language education platform Duolingo, is reluctant to spill one of her favorite A/B tests, but it’s too good not to share. “You know that little red dot on your app icon that indicates there’s something new, or something unresolved? That led to a six percent increase in our DAUs. It was six lines of code. I think it took about twenty minutes. And then our V2 for the dot brought an additional 1.6% increase in DAUs,” she says.

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