Chris and Noah argue over the practicality of IPv6 & if it will ever take off. Plus the big player that just got into Cyber security, Stingray’s big Baltimore outing & the big Google algorithm change this week.

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Raytheon Co. RTN 0.89% is betting it can leverage the cybersecurity skills it honed for the U.S. military and intelligence agencies to sell to banks and retailers, investing almost $1.7 billion to establish a stand-alone business in an area where its defense peers have struggled to make money. The company on Monday said it would buy control of Websense Inc. from private-equity firm Vista Partners LLC. Raytheon said Austin, Texas-based Websense, which has 21,000 data-security clients, half of them overseas, will form the core of a new cyber joint venture with forecast sales of $500 million this year and margins of around 20%.

The Baltimore Police Department is starting to come clean about its use of cell-phone signal interceptors — commonly known as Stingrays — and the numbers are alarming. According to recent court testimony reported by The Baltimore Sun, the city’s police have used Stingray devices with a court order more than 25,000 times. It’s a massive number, representing an average of nearly nine uses a day for eight years (the BPD acquired the technology in 2007), and it doesn’t include any emergency uses of the device, which would have proceeded without a court order.

The writing’s on the wall about the short supply of IPv4 addresses, and IPv6 has been around since 1999. Then why does the new protocol still make up just a fraction of the Internet? Though IPv6 is finished technology that works, rolling it out may be either a simple process or a complicated and risky one, depending on what role you play on the Internet. And the rewards for doing so aren’t always obvious. For one thing, making your site or service available via IPv6 only helps the relatively small number of users who are already set up with the protocol, creating a nagging chicken-and-egg problem.