Observable: How the Creator of D3.js and a Former Google Engineering VP Set Out to Make Data Work Collaborative
Observable was co-founded by Mike Bostock, the creator of the open-source D3.js visualization library and a former graphics editor at The New York Times, and Melody Meckfessel, a former VP of Engineering at Google. Built around web-based, reactive notebooks for JavaScript and D3, Observable launched publicly with a $10.5 million Series A led by Sequoia Capital and Acrew Capital in November 2020, citing more than 4.7 million users, and raised a $35.6 million Series B led by Menlo Ventures in Janu
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