Digital Zoom

http://en.wikipedia.org/wiki/Digital_zoom
This is a pretty cool super-zoom demonstration. 17 Gigapixel
http://www.youtube.com/watch?feature=player_embedded&v=2Cv7IdXKgtM

One Gigapixel Camera
http://www.youtube.com/watch?NR=1&v=HlTPzru5Tl0&feature=endscreen

http://www.youtube.com/watch?v=9qTyh3PInCo

http://www.youtube.com/watch?v=6jD1bQnYfww


http://www.youtube.com/watch?v=8bHWuvzBtJo

D
http://www.youtube.com/watch?v=Xe2xGOSIuzg