I've always been quite interested in these pwn2own contests, and I'm very surprised that no one even tried to hack chrome on the first day (on windows). As for safari on mac os x looking from previous news I'm pretty sure safari would fall (Charlie Miller seemed pretty confident he would hack it). Regarding safari on iPhone, pretty sure there would be a day where it would be hacked. For IE8 and Firefox 3 I keep hearing of enhanced security features in windows 7, I guess there was a way around it. I hope that all these exploits will be fixed in the near future. Onwards to day 2! We shall see whether chrome falls... And note that for the first day all these exploits were remote, meaning that all the user did was access a malicious site and their computer would be compromised.