Researchers from the University of Helsinki and the Max Planck Institute for Informatics created high-tech gloves that help you find what you're looking for by vibrating when you get close to the lost item.
While the NFL and NBA have largely caught up to the national pastime in terms of current popularity, no memorabilia item goes for anything close to the top baseball items.
Each item is shown in careful detail: the company learnt early on that viewers are quick to demand close-ups of seams and back pockets for a better idea of the product.