Limitations?

As I was reading this blog this morning, it caused me to think about an ongoing question I continue to have. What limitations are people putting on themselves with their websites. Websites are no longer just for a portfolio of images. We can now develop them to provide so much information at the touch of our fingers. With different API's and some development we can connect to any database we need/want to.

What lofty/not so lofty ideas do you have for a web application?

What data can you provide to your customers that will allow you stand out from your competition?

Read Dries full blog and how Drupal helps rescue ultra marathon runner.