With nearly 1 billion people don’t have access to glasses that need them. That means that 15% of the world’s population is unable to effectively learn or work because they can’t see clearly. Neil Blumentahl as one of the founders of Warby Parker – the hip online retailer of frames and lenses that lets users try on five styles free before purchasing one. The company launched a “Buy a Pair, Give a Pair” program, which operates exactly as it sounds — Warby Parker will donate a pair of glasses to a community in need for every pair purchased on their website. Warby Parker’s non-profit partners provide glasses and training to low-income entrepreneur in developing countries to start their own business selling glasses.