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 ...

Unlike some Android phones, iPhones don't have a dedicated notification LED that lights up when you get a call, text, or other alert. What iPhones do include is an optional Accessibility feature for ...