Here in Ireland we often talk about open data and the way that the government doesn’t often provide it.
Now this example isn’t exactly the kind of open data that we generally talk about, but it is cool.
You can see, in real-time, all the planes flying over the Netherlands and the levels of noise on the ground. I love it!
Here’s the link. (oh…it’s in Dutch, but Google translate does a half decent job)
I’m not 100% sure where the data comes from, I just think it’s cool.