We take the internet for granted really, so much free information, so many free services. We also take for granted that the internet will always be around, but that might not be the case.
There's already growing (and in my opinion valid) concern over net neutrality which could potentially change the internet into a subscription service. It's likely that the internet will be different in a generations time, whether it will be better remains to be seen. Alistair Croll lists ten ways the internet could change or die..
http://gigaom.com/2008/04/06/10-ways-the-internet-will-die/