Here is a good article about a barcode scanner library for the iPhone. One interesting thing is that the imaging library used in the app is available in a SDK sold by the company. It seems that the application is meant to drive sales of the API. I suppose this is not a new idea, [...]
Here is an article about an interesting application of mapping technology. I wonder what kind of business ventures might be driven from such an approach.
This website only lists cars for sale that are less than $1000USD. The owner of the site has a 6 figure income. Talk about the power of simplicity! (via 37Signals)