2015 has been a huge year for unicorns. Here are the biggest, most interesting, and most important ones right now.
BuzzFeed News Reporter
Last updated on September 11, 2015, at 3:10 p.m. ET
Posted on September 11, 2015, at 3:10 p.m. ET
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William Alden is a business reporter for BuzzFeed News and is based in Los Angeles.
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