PITTSBURGH — Duolingo has become the first $1 billion tech start-up from Pittsburgh.
The company is now worth $1.5 billion thanks to a $30 million investment by Alphabet, the parent company of Google.
Duolingo is an app that helps you to learn a foreign language and is the most downloaded and top grossing education app in the world.
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With the new funding, Duolingo plans to increase staff by 50 percent.