Click into the settings for an individual app and you might be surprised by how much it can access. These are the default settings for Zynga's Scrabble-like "Words with Friends" game, which publishes a steady stream of updates into your Timeline and Ticker pages.
As Facebook's Ticker delves into social sharing, its new features walk the privacy line.
|2 million students missing out on college aid|
|The medical marijuana ad that never aired, despite contrary media headlines|
|GM raising Corvette prices|
|China to fight pollution with drones|
|Boeing reports wing cracks on Dreamliners|