By: KDKA-TV News Staff

PITTSBURGH (KDKA) – Duolingo was Pittsburgh’s first Venture Capital-backed startup to be worth a billion dollars. Now the company is expanding its footprint in the city.

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It’ll move into the Liberty East development on the site of the former Penn Plaza housing complex.

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The deal will double the company’s office space in East Liberty. It’s currently headquartered just a couple blocks down Penn Avenue.

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Duolingo will move into the new offices in May.