Gift cards are big business. Each year $400 billion worth enter the market. About 30% of gift-card values go unspent annually, in part because it’s so easy to forget about that piece of plastic you’ve tucked away somewhere. At 23 George Bousis started his Chicago-based company, Raise, offering gift-card holders the chance to sell the cards they don’t want and buy others they do want at a discount. With the new mobile app, Raise lets consumers grab discounted cards as they wait in line to make a purchase. Continue reading