If you thought that Google Maps was somewhat lame due to its lack of depth, then you’ll be excited to hear about Realistic 3D City Models by C3 Technologies . Not to be confused with the technology that requires goofy glasses, this adds depth perspective and the element of height to otherwise flat 2D models, and will allow developers to implement this into social networking applications .   Stay tuned to butterscotch.com for more up to the minute video coverage from the CES 2011 show floor.