Dreamforce 2013 is the world's largest vendor technology conference, and expects more than 120,000 people to register to attend this year's 11th annual conference and experience the power of social and mobile cloud computing and connect with their customers in a whole new way. With more than 1,100 sessions and 350 cloud companies in the expo, attendees can participate in interactive sessions, hands-on training with cutting-edge technology, thousands of live demos and unparalleled networking. In addition, Dreamforce welcomes special guests Sheryl Sandberg, COO of Facebook; Marissa Mayer, President and CEO of Yahoo!; and Deepak Chopra, Founder of The Chopra Foundation. Dreamforce 2013 offers attendees everything they need to accelerate their customer company transformation in four days, under one roof.