Chasing Unicorns: The 20 Fastest Startups to Reach $1B in Valuation By Notable Life By Notable LifeView Author|March 16, 2016|TechView Tech For many, unicorns are mythical creature, with a pointed horn that leaves a trail of fairy dust everywhere it goes. In the business world, unicorns are startup companies valued at $1 billion or more, which was once the stuff of... View this article.