Ron Gutman: The Hidden Power of Smiling (Ted Talks video) Home › Forum Online Discussion › Practice › Ron Gutman: The Hidden Power of Smiling (Ted Talks video) This topic contains 0 replies, has 1 voice, and was last updated by Steven 6 years, 5 months ago. Viewing 1 post (of 1 total) Author Posts May 19, 2011 at 10:59 am #37347 Steven More fuel for our smiling practice . . . S Author Posts You must be logged in to reply to this topic.