They have become the most talked about media types since the dawn of the Web. Some won't be around in 10 years. It's more interesting to know that search engine marketing didn't make the list. Not a bad thing, really. It just provides fodder to the theory that search will become the backbone technology, integrate more finely with the operating systems, and respond to voice, location and browser history, especially on smartphones. Technology will prompt the industry to find a new definition for advertising and marketing. What made the list?