Sharpen your marketing skill set through our in-person workshops and sessions, that address tactical, practical and strategic ideas from the best marketing talent in the country! Digital Summit has been held since 2014 in the amazing city of Denver. The Mile High City, so named because it sits at 5,280 feet above sea level or one mile high, Denver has been rocking since the late 1850s, when gold was discovered around Cherry Creek. Today, it is one of America’s hottest cities to live and play in and a great place to visit.