Maciej Cegłowski
Polish-American web developer, entrepreneur, speaker, and social critic / From Wikipedia, the free encyclopedia
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Maciej Cegłowski (born 1975) is a Polish-American web developer, entrepreneur, speaker, and social critic, based in San Francisco, California. He is the owner of the bookmarking service Pinboard,[1][2][3] which he calls a social bookmarking site for introverts.[4]