Soylent CEO Rob Rhinehart holds a bag of finished product inside a warehouse in Oakland, California where the company runs its business on September 09, 2013. The 24-year-old software engineer developed Soylent, a homemade nutrient concoction, designed as part meal-replacement drink, part thought experiment, providing every necessary nutrient while challenging societys current perception of nutrition. AFP PHOTO/Josh Edelson        (Photo credit should read Josh Edelson/AFP/Getty Images)