You agreed to become Steve Job's cabana boy..... (sorry, old Dilbert cartoon)
Go to your computer. Launch iTunes. Go tom the iTunes Store. Scroll all of the way down to the bottom of the main screen. You find links to the Terms and Conditons there. Click on them and read them.
Just out of curiosity, what are you so worried about?
I'm not sure what changed when I agreed either; yet
after I agreed I could update my apps.
Here is a link for the Apple Legaleez if you want to
Good Luck in your current and future endeavors.