Since Friday the DEF CON 18 Archive Page is running! Currently, you will find all of the presentation slides, white papers and extras posted, as well as the DEF CON 18 Program in pdf format! In the next days you will find the contest results, press releases, and even a few early release videos, too.
You will find a quite good questions and answers page at the F-Secure blog about a site called jailbreakme.com that enables you to jailbreak your iPhones and iPads just by visiting the site. The problem is that the site uses a zero-day vulnerability to execute code on the device.

