A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...

Thanks to unknown callers, robocalls, spammers, scammers, there's never been a better time to just not answer your phone. Don't put up with the deluge; here's how to stem the tide. I review privacy ...