There is a lot more knitting out there beyond the standard stitching that is crazy and wild and even a bit subversive. Some of it is called knit graffiti like at knittaplease.com
and some of it just likes to be more playful and make bizarre and fun new objects. In San Francisco there was a guy who would wrap abandoned bikes and bike locks with thick and chunky yarn. It was a beautiful way to reclaim what was a pretty grim reminder that bike theft is prevalent here.
I may not be compelled to learn how to cast on and make some stuff of my own, but you have to respect the people who feel compelled to take the craft and keep on running with it.
To find out more, check out this article on we-make-money-not-art.com
to read some history, watch a video discussing current issues, and see some cool examples of the styles.