Shortly after it opened in 2005, businessmen and suburbanites started travelling to the city to join the locals in a perpetual line to sample the pulled pork, brisket, ribs and excellent craft beer selection.

BBC: The rebirth of Detroit amid modern-day ruins

The authors thus base their absolute poverty line on the 15 countries in their sample below this threshold.

ECONOMIST: Has ��a dollar a day�� had its day?

In validation, especially if you have a sample product in hand, the temptation to cross the line from asking to selling is almost irresistible.

FORBES: Are You Making Something Usable? Part 5 -- What to ask?

We liked the function that let us hear just one line at a time, allowing for pauses for speaking practice and to go over vocabulary lists and sample sentences.

WSJ: Mobile Apps for Foreign Languages

Every week at its warehouse in Menlo Park, California some 10, 000 sheets of stamps, tens of thousands of posters and 20, 000 T shirts--almost every shirt unique and distinct from all the others--roll off the presses, sparkling with freshly printed images of cute kids, Disney characters, landscape shots and catchy tag lines (sample:"Not everything's flat in Lubbock, "reads the chest-high line on one).

FORBES: Zazzle It