23andMe, the genetics startup cofounded by Anne Wojcicki and Linda Avey, has outed TechCrunch editor Michael Arrington as a cheapskate. When Arrington discovered that 23andMe was handing out its $999 testing "Spit Kits" for free at the World Economic Forum in Davos, he hit up Wojcicki and Avey for a refund on the kit he'd already bought. They refused. Arrington nevertheless wrangled a free kit from the pair, which he's now giving away to TechCrunch readers.

But while we're at it, Wojcicki's a bit cheap, too: She's married to Google cofounder Sergey Brin, who lent her startup money until Google itself came in as an investor. you'd think she could afford to spare a few more Spit Kit giveaways.

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