An iphone app that you can photograph a Sukoku puzzle and it will solve it or tell you the next step.
Edit (someone beat me to it):
Thursday, June 23, 2011
Sign up to receive daily/weekly/monthly news for your town/area you and the newsletter would take in all new data about the town and generate a newsletter that looks like it is written by a human describing the various changes. School ratings, new houses on the market that are unique or hot. Change in house price values, etc.