Slang: evil or nice?

Let's follow up the recent stories about Emma Thompson's views on slang with a quick poll. What's your view on the slang debate?

Does it make young people sound stupid, like Emma Thompson suggests?
Is it a normal part of language that we should accept and celebrate?
Is it only stupid when used by 40 year-old English Language teachers trying to like bond with da yoot dem, ya get me?

You can vote to the right of this post*.

Edited to add: The Observer has a debate on this very issue in today's paper. Have a look here.

*Calls cost 20 Czech Kroner and lines close at 8am. Calls after this time will not be counted towards the vote and you will be charged. Double.