enabling search within video is one of the projects at CSAIL web.sls.csail.mit.edu/lectures/
See “Lecture Browser: Enabling Search within Video”
Could this be used to find things in an audio archive after selecting their visual equivalent in a phone? Could this be used with Google apps such as http://www.google.com/insidesearch/
In earlier academic literature there has been some previous research I know of in the area such as talkminer TalkMiner: A Search Engine for Online Lecture Video” url: http://talkminer.com/
There is also a more general article on such search engines here http://websearch.about.com/b/2012/02/08/use-talkminer-to-find-video-lectures-on-any-subject.htm
Could the above be combined with new interactive videos such as TED talks?
Could the navigation peripherals be more physical, such as Siftables?
Would they be on new display options such as