THE WEEK THAT WAS...

GM launches Maven service

General Motors has launched a car-sharing service that lets users reserve and unlock vehicles with smartphones. The Maven service debuted in Ann Arbor, Mich., and will expand to other cities this year. Users can rent a car through a free smartphone app that doubles as an electronic key. GM and other carmakers are preparing for a future in which fewer drivers own cars.

Charney gives testimony

Dov Charney, the ousted founder of American Apparel, testified in U.S. Bankruptcy Court that his attempts to turn the company around were thwarted by an “impossible” board. “I don’t want to hand over my company.” Both he and American Apparel execs are trying to convince the Delaware court that their turnaround plans are in the best interest of the L.A. f irm and creditors.

Nielsen to eye Facebook

Anyone who’s logged onto social media during a presidential debate, big football game or TV premiere knows the f lurry of posts can be just as captivating as the event on screen. With that in mind, Nielsen said it would begin measuring Facebook posts to determine how much buzz a television show is receiving. The ratings research f irm already monitors Twitter for the same reason.

TSA seizes more guns

Airport security screeners found a record number of f irearms in U.S. carry-on bags last year, most of them loaded, off icials said. The Transportation Security Administration discovered 2,653 f irearms, 20% more than in 2014, with 83% of them containing ammunition. The agency suggested that the increase may be the result of better techniques for searching bags.