8 ideas for 08

FORTUNE just published a list of 2008's biggest and most promising ideas.

Some ideas are extensions of products already on the market, such as a GPS system to facilitate your work commute. Others are attempts to revisit past concepts that have failed - WiFi at 35,000 feet for example.

Check it out. Watch where most of these ideas are coming from. What kind of companies are marketing these products? Big, small? Who's coming up with these ideas? Individual entrepreneurs, teams of people or are they simply rip-offs from failed ventures by larger, less nimble companies?

Let's see how many catch on...