30 Under 30 2011: Product Slideshow

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Birchbox, Hayley Barna and Katia Beauchamp

For those of us who don't have pals in the beauty industry, there's Birchbox. Forty-five thousand subscribers pay the company $10 a month for four or five deluxe, curated beauty samples from major cosmetic companies. Birchbox then sells the full-size versions of the products to subscribers. Read more.