A hungry man is an angry man. These are the delivery riders who keep you happy, and they number in the tens of thousands, working for the three major food delivery companies foodpanda, Deliveroo and UberEATS. They are mostly students, part-timers, and professional athletes. In this week's Big Read, we explore how the rapid rise of food delivery services has created a huge impact on consumers, workers and businesses. MAIN STORY: http://tdy.sg/2F4EJiD (Video: Raj Nadarajan/TODAY)