Good on him:<p>> Mel was, at the time, a 78 year old developer who had recently retired after forty years of service at CitiBank. Mel discovered Twilio and Python in retirement, and his primary hobby ever since has been building chatbots. His pride and joy is named Hal 9000, an homage, of course, to 2001: A Space Oddessy. Hal used Python and regular expressions to implement Eliza, a natural language processing program developed by Joseph Weizenbaum in the mid 1960s