Creative & Cool article on how to use Legos.  

http://gma.yahoo.com/college-student-snaps-internship-clever-legos-175608201.html

This could be a cool thread to see stuff. Here's something I saw on the net not too long ago:

 

http://makezine.com/2014/02/08/legofy-it-3d-printing-lego-for-fast-prototyping/

http://stefaniemueller.org/fabrickation/