David D. Clark, a senior researcher at MIT's Computer Science and Artificial Intelligence Laboratory, has played a key role in the development of the Internet's architecture since the 1970s.  While in Paris on May 18 Clark talked to Informilo about the challenges ahead, including the inevitability of usage caps in the age of video, how to best address security concerns and what the Net will look like 15 years from now. Click "read more" to see the video.Read more