Inversion of Control with Dependency Injection

I recently heard of the Inversion of Control (IoC) software architecture in a video by Scott Allen. After some googling, I came across the blog post below by Joel Abrahamsson - highly recommended for someone new to the topics of IoC and Dependency Injection. I think the whole idea of IoC shows the advantages of programming to an interface rather than an implementation.

Click here for Joel's blog post.