Show me the Cisco!

The Cisco's I-Prize got a 30 days extension: from the site's FAQ Why was Phase I extended by 30 days?
This is your chance of getting those U$S 250 K! :p

On the contest blog there are 4 topics, or like they say "interesting sources for potential innovation"

Those are:

1. Energy (Green-save)
2. Healthcare (aging of the workforce)
3. Wireless Connectivity (unwire the world)
4. Automotive (connect my car)