PwC (officially PricewaterhouseCoopers) is a global professional services firm headquartered in London, United Kingdom. It is the world's largest professional services firm and one of the "Big Four" accountancy firms. PwC has offices in 757 cities across 154 countries and employs over 175,000 people. It had total revenues of $26.6 billion in 2010, of which $13 billion was generated by its Assurance practice, $7 billion by its Tax practice and $6 billion by its Advisory practice. The firm was formed in 1998 by a merger between Coopers & Lybrand and Price Waterhouse. The trading name was shortened to PwC in September 2010 as part of a major rebranding exercise.
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.