Digital Natives and Digital Immigrants

I cannot believe how many students have no idea what a blog, wiki, or podcast is. They are the ones who are supposed to be digital natives, yet they know little or nothing about Web2.0 tools. I agree with many educators who say that we have to start teaching them how to live in the 21st century but they have some responsibility to think beyound MSN and Facebook. How can we make them use these tools for more than just their social lives? I am going to continue to look for anwers and try to include them in my daily teacing practice. Now if I could only book the computer lab...