Designed for big questions with real answers, ad:tech's San Francisco program April 21-23 at Moscone Center West features a wide assortment of topics and presentation styles to choose from. Highlights include Danny Sullivan and his groundbreaking SMX conference series, MobileMix where you can learn how you can reach the largest number of digital devices in the world, Boot camp where you can explore the critical fundamentals and "dos and don'ts", and Advertisers, agencies, media partners and technology leaders provide an in-depth analysis of a range of digital media case studies.