"The Accidental Millionaire in Jet.com’s Sale to Wal-Mart"

B:

Martin, who works for a custom bath installation company, received 100,000 Jet shares last year when he won a contest to see who could get the most people to sign up for memberships to the online shopping site. He spent $18,000 on online ads and came away with a stake now worth millions in one of 2015’s buzziest startups.

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Martin, 30, has no idea what his stake is worth, though Fusion reported last year that his shares may be valued from $10 million to $20 million.