Creativity has been big business! Back when I was with a large global CPG company I even remember one exec asking me to organize for a consistent creative breakthrough... I cant say we were super successful but we certainly we delivered, using something similar to the Google Wonderwheel. Our tools were a lot simpler - The Visual Thesaurus.
A recent video posted on Stanford University's eCorner has additional insights for Creativity and Incremental innovation - What is Creativity?
Google Wonderwheel - Consumer Insights