https://www.ted.com/talks/mihaly_csikszentmihalyi_flow_the_secret_to_happiness?utm_campaign=tedspread&utm_medium=referral&utm_source=tedcomshare Mihaly Csikszentmihalyi contributed pioneering work to our understanding of happiness, creativity, human fulfillment and the notion of "flow" -- a state of heightened focus and immersion in activities such as art, play and work.