The NSA's Secret Spy Hub in Berlin  —  According to SPIEGEL research, United States intelligence agencies have not only targeted Chancellor Angela Merkel's cell phone, but they have also used the American Embassy in Berlin as a listening station.  The revelations now pose a serious threat to German-American relations.

Another daylight saving time bug strikes Apple's iOS 7, affects calendar display  —  Owners of iOS devices running the latest version of Apple's mobile operating system awoke to a display error in iOS 7's calendar app caused by the switch to daylight saving time.

Nielsen's New SDK Adds Mobile Viewing To Its Traditional TV Ratings, Uses Data From Facebook To Match Demographics  —  After months of trials, Nielsen today is announcing an SDK that will give it the ability to measure how people view TV on mobile apps and other digital formats …

Twitter to Wait Until After IPO to Name Woman — Likely With International Cred — to Board  —  According to sources close to the situation, Twitter is planning on waiting until after its IPO — which is set to take place next week — to name its first woman to its board.

Spreadsheet of the day: Final estimates for Apple's Q4 2013  —  The forecasts of 48 Apple analysts — 27 Wall Street professionals and 21 independents  —  FORTUNE - The results of Fortune's quarterly survey of Apple (AAPL) analysts are in, and the results are mixed — in more ways than one.

Samsung signs three-year deal to supply NBA with courtside tablets and monitors  —  NBA Teams Up With Samsung  —  The National Basketball Association has signed a wide-ranging, $100 million deal with Samsung Electronics Co. to bring the South Korean company's technology courtside at its games …

Samsung Pursues Developers, Seeking Orbit of Apps  —  This week, Samsung Electronics Co. plans to hold its first global developers conference at a hotel in San Francisco, a big step in the South Korean smartphone maker's effort to cultivate a host of software and services for its devices that can compete with those offered by Apple Inc.

LG's curved-screen G Flex smartphone coming to South Korea with 13MP camera, Snapdragon 800  —  LG officially announces curved-screen G Flex smartphone  —  After a series of leaks, LG has announced officialdetails of its curved-screen smartphone, the G Flex.

“Twitter tax break” could cost SF tens of millions more after IPO  —  An analysis of Twitter's latest filing with the Securities and Exchange Commission found the value of the Mid-Market payroll tax break that San Francisco granted the company in 2011 will run far higher than earlier publicized estimates.

Nvidia expands Shield controller capabilities to thousands of Android games  —  Nvidia has opened its Shield gaming device up to the universe of Android games, adding console support to thousands of games originally designed for touch screens.  The Santa Clara, Calif., graphics chipmaker said the Shield …