What is AdTech? ad:tech is a digital marketing conference and exhibition where brands, agencies and publishers gather to learn, explore and network with friends and colleagues. I believe my first AdTech was in Chicago in 2004. I have attended others in New York and San Francisco. But this time I took my camera with and here are the photos I took on Tuesday, April 12, 2011. If you find a photo of your or your company and want me to add information into the description of the photo, please email email@example.com with the information you would like me to add. More photos from AdTech SF can be found on Got Baddog.