Plot: Pittsburgh Steelers wide receiver Antonio Brown touts the benefits of personalized shoe slides; a 16-year-old high school junior impresses the Sharks with an app that can stop cyberbullying messages before the damage can be done; two men designed an ingenious at-home beer dispenser that uses sound waves to makes bottled and canned beer taste like draft; a woman proposes sending heartwarming chicken soup. Also, an update on 2400 Expert, an SAT prep course in which Mark Cuban invested during season seven