You've heard of identity theft — someone using a person's credit information or a Social Security number for ill-gotten gains. Well, experts say similar crimes are also affecting businesses.

Business identity theft involves posing as a legitimate business in order to get access to credit lines or steal customers. Experts believe that the practice has become more prevalent in the past two years.

To the list of weird-sounding hybrid words of the digital age, like Googling and tweeting, we can now add "pinning." As in Pinterest. It's sort of an online scrapbook or bulletin board, and it's one of the fastest-growing websites in history.

Last month, more than 10 million unique visitors signed on to Pinterest. But some of them, like Billy Winburn, are still trying to get the hang of it. At an office in Alexandria, Va., Jennifer Folsom, who works a few desks away, is walking him through the process.

At newsstands across France on Wednesday, readers will delight to a humorous broadsheet published every four years on leap day.

At news shops in Paris and around France, readers look forward to their copy of La Bougie du Sapeur every Feb. 29. Published since 1980, the satirical journal is now in its ninth edition. Its title, which translates as "sapper's candle," is taken from an old French comic-book figure who was born on that fateful last day of February.

Dave Zinkoff — or simply "The Zink" — was perhaps the most distinctive public address announcer in sports when, years ago, he called games in Philadelphia, especially for the city's NBA teams. Just his declaring that there were two minutes left in the quarter made you feel that, never mind that quarter, doomsday was but 120 seconds away.

But nothing The Zink cried out was so resounding as when Wilt Chamberlain would make an emphatic slam.

"Dipper dunk!" he would holler.

Something that only comes around once every four years and doesn't involve either politics or Olympic competition deserves its own mention:

Wednesday is Feb. 29.

Leap day, that is.

Our friend Linton Weeks has put together a handy list of 24 things you could do with the extra 24 hours. (And yes, we know that some of you have already started your day; but, hey, we're an East Coast-based blog.)

Americans who turn up in the emergency room to get dental care aren't lost, they're probably just running out of options.

According to a new report from the Pew Center on the States, more than 800,000 visits to the ER in 2009 were for toothaches and other avoidable dental ailments.