Shoppers already dispirited by the crowds and commodities at the mall this holiday season can take heart—there’s a better way. JustBecause is a new Facebook iPhone app that turns gift-giving on its head, focusing on the product not the recipient or the occasion. With a slogan that says “Send friends gifts that cost $1 but are worth way more,” JustBecause cherry picks an array of small gifts from not your average companies that offer unique products and services....