Ideas

Winners

ePath Finders

James, Michael, Mihai

This tool pulls the items from your watchlist and plots the optimum route between them so that you can visit the stores and see them in real-life before you buy.

Try It: http://pathfinder.cloudfoundry.com

View code on Github

Runners Up

The Green Team

Rosa,Sergio, Gustavo

This tool estimates the carbon footprint of a purchase when the user is viewing the item details and gives them to option to make a payment via PayPal to offset this.

Try It: Download Javascript (PS - You also need the Greasemonkey extension for Firefox)

View code on Github

More Ideas...

You can review the other team submissions online here.