Beauty company Birchbox pioneered the subscription box model, using data to create highly personalized experiences for consumers interested in beauty - but often overwhelmed by the experience of shopping for beauty products; it recently announced a partnership with Walgreens and opened its first bricks-and-mortar Walgreens locations in December. Before Birchbox launched, Beauchamp and her co-founder Hayley Barna looked at beauty market and saw a $500 billion industry that hadn't been disrupted…