1. http://www.northampton.gov.uk/Museums/
   Collections/Boot_and_Shoe/history_of_shoes.htm
2. http://www.shoeinfonet.com/history/usm/hi_shoes.htm
3. http://inventors.about.com/library/inventors.htm
4. http://www.marywalesloomis.com
5. http://www.digitoe.com
6. http://centuryinshoes.com
7. http://www.comfortshoe.com
8. http://www.theathletesfoot.com/research_and_development/
   index.jsp?page=fitprint
9. Interview with Mr. Musto, a gentleman who wears custom orthotics

...Toshiba and NSTA for the exciting competition, the great digital cameras and the laptop!

...Mrs. Lynn Crawford, our Science teacher, without whom we could not have enjoyed ExploraVision, and to our elementary school.

...Our mentor, Mrs. Preethi Vijayraghavan, and our parents, the Shimasakis and the Vijayraghavans, for putting up with our endless curiousity, and helping us research.

...Uncle Kevin, who explained the scientific stuff to us, and helped us with our digital photos.

...Aunt Bindu, who helped us with the layout of our webpages.

...Mrs. Stacey Blaney and Ms. Melinda Gallo (of Denali Data Systems, Inc.) who helped us put our pages on the web.

...Last but not least, Grandma Lakshmi Pati, the inspiration behind this invention.