Duolingo is a popular language learning app with 103.6 million monthly active users. The company announced on Tuesday that it is testing a new chess course. Duolingo plans to roll out the chess course ...
Jamie Yuccas is a CBS News correspondent based in Los Angeles. Yuccas joined CBS News as a New York-based correspondent for CBS Newspath in August 2015. Her reporting has been featured across all CBS ...
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