CNN names the top 10 thinkers of 2013, 7 of them have given TED Talks | TED Blog http://ow.ly/q86lI
If you have not been listening/viewing TED talks you are missing out on great information from some of the best minds. Most of the talks are fairly short…less than 15 minutes and contain great content. And yes there is a free App at iTunes and the Google play store for TED talks. Give it a try!