New Kindles Add Help With a Human Face: Rich Jaroslovsky

Here’s the most important feature of Amazon’s new Kindle Fire HDX color tablets: Operators are standing by.

Actually, they’re technical-support people, summonable from the Fire’s new Mayday button. It’s an instant video link to a real live help specialist, 24 hours a day, 365 days a year, and it’s the standout feature on the capable HDX.