Those who do use them to call colleagues to arrange work meetings, phone and text friends to set up dinner dates and ring home to check in on their babies.

NPR: Tweets, Pics Give Real-Time Peek Into North Korea

Kittle the younger's article ( "Manila Rules") is this issue's Memoir, an essay about an after-graduation year off that commenced with loafing around home in Greenwich and wound up, somehow, with him being introduced in the center ring at the world cockfighting championships in Manila.

FORBES: Editor's Note