> it's security in making sure our site is safe as part of the process of trying to manage a multimedia portal. you have to understand what technology is available for you to do that and if you don't, there are problems that can come up and we've experienced our site crash. >> the crash was a wake-up call. >> we realized, okay, our platform is getting a little dated. we need to figure out another way of securing our website and that's when we looked to barracuda to do that. >> it's something that we're familiar with. it tends to be my understanding, because of the threat, you only have some chance at actually being the hacker. >> find out more about barracuda networks at barracuda.com. >>> welcome back. i want to show you something. chances are, you've seen it before at the eye doctor. you likely see the number 74 but there are those of you who don't. for every dozen people watching, one of you can't see that number. statistically, 1 out of 12 of you are color blind. we have different senses. some of us see things that others don't and that affects our perception of reality. did i just show yo