His book is called The Power of foursquare: 7 Innovative Ways to Get Your Customers to Check In Wherever They Are. He’s called Carmine Gallo and he’s… a bit famous. Do we care about that? Not that much. What’s cool and hot, is that Gallo’s made a very very nice presentation on SlideShare to push the sales of his book, probably. It’s food for thought for any marketing- or communictionprofessional considering to put some efforts into FourSquare. Check out the Gallo’s slidedeck below and get inspired: