So what happens when you put together really talented people (geeks) and some spare time?  You get some of the most amazing inventions based off of recently possible technolgy.  The examples given were absolutely amazing they include:

•  A robot that can play and master guitar hero on expert level
• A robotic dove that “shits” dove lotion
• The Twitter Shitter in which bathroom stalls atomatically tweet when individuals enter and exit
• New fashion trends utilizing sewable circuts and organic LEDs with an accellerometer

There are these and so many more posted at garagegeeks.org.  I listed this as reinvention but invention may be a better category.  These people are using and combining new technologies to make