Massdrop is an e-commerce company that was founded in 2012 to build communities for enthusiasts. It launches group buys called "Drops" that allow users to purchase niche, customized products at lower prices. The company has raised $60 million in funding and has experienced 400% year-over-year sales growth, reaching over 1 million users. Its secret to success is exclusive products developed specifically for Drops that can't be found elsewhere.