To find 2-3 additional case studies that highlight how specific technology and/or apps are "gamifying" human behavior. Focus on industries like (but not limited to) financial services, technology, communications, and consumer products. For each case study, 1) provide the company/brand name, 2) explain what they did and why they did it, and 3) illustrate what the results of those actions were. All case studies must be from within the last three years.