“ Eye Strain Reduction Maybe someone should create a system for tracking eye movement so that the content displayed can be slightly modified to... (read full comment) ” 

Posted on March 5, 2011 at 12:19 AM EST

“ Why not just augment GPS? If you're going to install a device in every store, why not just stick with standard GPS? Devices already use this... (read full comment) ” 

Posted on August 31, 2010 at 4:21 AM EDT