If you enjoy technology, new ideas and a touch of American showmanship, you might care to take a regular look at lectures on the TED (Technology, Education, Design) website.
Here are two relevant to augmenting reality and virtual landscapes to get you started, in the first Blaise Aguera y Arcas from Microsoft demonstrates Photosynth and other technologies, and in the second Pattie Maes and Pranav Mistry from MIT demonstrate SixthSense.
