R. Vignesh Kanth (born on October 2, 1989) of Chennai, Tamil Nadu, performed longest talk marathon about an individual wherein he spoke for 12 hours about life, films and acting career of Kamal Hasan, from 10:07 am to 10:07 pm, at Ampa Sky Walk Mall, Aminjikarai, Chennai, on November 7, 2014. The entire event was live streamed at www.smilewebradio.com.