paper clips research

http://www.officemuseum.com/paper_clips.htm

http://www.nbcnews.com/id/12353171/#.US8sqmhYWJU

http://smilepanic.com/fun-with-paper-clips/

http://www.funology.com/paper-clips-in-love/

http://www.accountancyage.com/aa/feature/2153953/-aayp-generation-ys-expectations

http://lifehacker.com/5152309/diy-heart+shaped-paperclips

http://www.cartoonstock.com/directory/c/clip.asp

http://www.cartoonstock.com/directory/c/clip.asp