How does content get shared? How does it get tweeted and retweeted? And why? There are many ways and no one size fits all answer. So, we asked six of the most social-shared marketing experts to share their views and recipes. Check out what Jay Baer, Lee Odden, Shelly Kramer, Michael Brenner, Mark W. Schaefer and Mack Collier responded. Bonus: the SlideShare success recipe of Doug Kessler. Offered by the Content Marketing Conference Europe.