The U.S. Post Office returned all ten letters and they did it the fastest, which has caused some to claim that they are the most efficient.

FORBES: Is The U.S. Postal Service The World's Most Efficient?

Ten letters like that a day we read.

WHITEHOUSE: President Obama on Dr. King's Legacy

They asked 121 psychology students who had volunteered for the experiment to watch a silent video of a woman being interviewed that had random words appearing in bold black letters every ten seconds along the perimeter of the video.

ECONOMIST: Do not think on an empty stomach

I, Sam Pulsifer, am the man who accidentally burned down the Emily Dickinson House in Amherst, Massachusetts, and who in the process killed two people, for which I spent ten years in prison and, as letters from scholars of American literature tell me, for which I will continue to pay a high price long into the not-so-sweet hereafter.

NPR: Chapter 1

As he and his colleagues report in Physical Review Letters, they first tested it with ten texts apiece from ten official languages of the European Union.

ECONOMIST: Computers and language

Sheldon Jacobs , editor of The No-Load Fund Investor, has a ten-year risk-adjusted return that puts him among the top five fund letters, according to Hulbert.

FORBES: No-Load Fund Letters Place Bets