E.T.D. Pop stands for Electro Techno Disco Popsicle. ETD Pop is an annual electronic music festival held at the Cow Palace in Daly City, California, U.S., a suburb of San Francisco. It is hosted by the Berkeley-based event promoters . It was first held in 1997. In 2008, ETD Pop featured , Markus Schulz, Ferry Corsten, Kaskade, Donald Glaude, DJ Dan, and Tiesto, and in 2009, Paul van Dyk, Ferry Corsten, Deadmau5, and Sander van Doorn. The line-up is usually announced at the earlier Skills event .