I’m about to make your life better. No need to thank me. But first, a warning: On the way to understanding how your life will get better, you’ll have to read about some technical, fairly arcane topics ...

Cisco announced its intent to buy cloud security company OpenDNS for $635 million this morning. It’s probably not a coincidence that Cisco was one of its investors in a $35 million round in May, 2014.