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Kai, the hatchet-wielding hitchhiker, tells all but his name [VIDEO]

Kai, a hitchhiker who used his hatchet to stop a man that thought he was Jesus Christ from killing people in Fresno, California, has become a YouTube sensation.

And he also knows how to keep his personal information private.

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Warning: Tips for secure mobile holiday shopping

I’m dating myself, but I remember when holiday shopping involved pouring through ads in the Sunday paper, placing actual phone calls from tethered land lines to research product stock and availability, and actually driving places to pick things up. Now, holiday shoppers can do all of that from a smartphone or tablet in a few seconds, but there are some security pitfalls to be aware of.