There's a variety of reasons for that. When you have a security issue, you don't want someone saying, "What product are you using?" You want someone saying, "I know what version you're on." The ecosystem we created around customer responsiveness and our responsiveness to security threats is something Cisco wants to preserve.
Around 90 percent of the e-mail NWC gets is spam, and I expect it's similar for other organizations. What's going on out there?
There's a lot of innovation on the spam side. Image spam is a new threat that made it by a lot of legacy filters. The rise of the botnets has also been difficult. Before, you could isolate spammers as coming from illegitimate sources in Brazil or the Ukraine and block that source, but now most of the spam is coming from Comcast and people who have PCs hanging off a cable modem. You can't block Comcast or a major ISP.
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Verizon is demoing crowd analytics technology that uses 5G along with AI and mobile edge computing to give stadium operators insights into the flow of fans throughout a venue.
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