As our chart shows, manufacturers and service-sector firms alike are finding it harder to hire suitable workers, and earnings have started to rise more rapidly as a result.

ECONOMIST: The economy

At a time when Portugal was a great seafaring nation Columbus worked as common seaman on a merchant ship and as a chart-maker before entering the service of King John II of Portugal.

BBC: News | World | Columbus tops millennium poll

Chief among them: In service to the aristocratic Esterhazy family, Haydn's position on the organizational chart placed him among the kitchen staff.

NPR: Haydn In Concert: Cue The 'Drum Roll'

The chart displays the yield spread, as calculated by Moody's Investors Service, between junk bonds rated speculative and seven-year Treasurys.

FORBES: Magazine Article

Internet service provider Orange has knocked TalkTalk off the top position in Ofcom's broadband complaints chart.

BBC: Orange tops broadband complaints chart

Citing a study from Merrill Lynch, the CTIA chart says the average U.S. consumer pays 5 cents per minute for voice service--a rate cheaper than other advanced telecom markets, such as the U.K., Germany, South Korea and Japan.

FORBES: Telecom