If none of the 5,000 new Oreo flavors are exactly your speed, you can now build your own Oreos to celebrate your next special occasion. Don’t like running? Take a quick quiz to discover the perfect fitness routine for you. And if your daughter’s been dying for an American Girl doll, why not make the price worth it and design a one-of-a-kind doll that looks just like her? Hyper-personalization has been the name of the game for a while for larger, household brands.