With smartphones, people are confronting the task of calculating their data usage to avoid unexpected fees. Read more..

By BRIAN X. CHEN - The New York Times

John Anagnost joined XplusOne, New York, in a new post, vice president of sales for the Eastern region. He had been president at Reprise Media, part of the Interpublic Group of Companies. Read more..

By THE NEW YORK TIMES - The New York Times

Roughly 40,000 AT&T landline employees will continue to work following expiration of their contract as talks continue; both AT&T and the Communications Workers of America say they want to avoid a strike, and will keep negotiating; at issue are job protection clauses and health care premiums and co-payments. Read more..

By THE ASSOCIATED PRESS - The New York Times

Musicians are experimenting with methods of streaming live shows on a budget, making use of emerging technologies and ways fans listen to and collect music in the digital age; groups like the Ryan Montbleau Band use apps and Web pages to get concert footage to fans as quickly as possible. Read more..

By BEN SISARIO - The New York Times

Following the firing of John Galliano last year, the French label Dior switches to a low-key personality. Read more..

By CATHY HORYN - The New York Times

Microsoft's decision to move its European logistics and distribution headquarters to the Netherlands from Germany spurs debate over patent law in Germany, where it is easy to block the sale of a rival's product even before an infringement claim is played out in court; patent lawsuits in Germany among technology companies are increasing, often claiming violations of patents of globally recognized technology standards and seeking to exploit the German system for strategic advantage. Read more..

By KEVIN J. O'BRIEN - The New York Times

Bank of America and Citigroup have plenty in common, and when bank earnings are released in the coming weeks, investors will be watching to see exactly how they match up; both were forced to turn to the government for help in the wake of the 2008 financial crisis, and both have chief executives who have spent much of their tenure cleaning up messes they inherited; three years after being written off by Wall Street, they seem to be thriving. Read more..

By NELSON D. SCHWARTZ - The New York Times

The Discovery Channel’s “Dirty Jobs” show inspires the Dirty Jobs line of cleaning products. Read more..

By STUART ELLIOTT - The New York Times

Experts say that doctors, despite the dangers, often keep patients on high-strength painkillers known as opioids for years without properly checking to see if their conditions improve. Read more..

By BARRY MEIER - The New York Times