Business for Social Responsibility (BSR), an independent nonprofit with expertise in human rights practices and policies, conducted a report and concluded Facebook wasn't doing enough to safeguard the social network.

Cesar Sayoc -- suspected of sending homemade bombs to Democratic leaders throughout the country -- was an avid Twitter user. Twitter helped him connect with like-minded ideologues who reinforced radical views.

Some 85% of this key demographic use Instagram at least one a month, just edging out the 84% who use Snapchat on a monthly basis.

Messenger is awash in the automated software applications. More than 200,000 bots were now live on the service -- and they're becoming the preferred means for businesses to communicate with customers.

In this country, YouTube now derives 73% of its ad revenues from video, while Facebook dominance in the category continues.

Some 59% of teens say they have been the target of online bullies, while 63% say it is a major problem for people their age. Facebook is rolling out new tools to give users more control over how people interact with posts.

Some industry watchers are taking the news in stride. Others expect Facebook shares to react, since the company has already been under fire.

Instagram's ecommerce features have been embraced by its community. Every month, more than 90 million users now tap to reveal tags in shopping posts.

Nielsen is stepping up its social skills, and offering additional insights into the performance of content posted by accounts officially associated with TV programming.

Over the past year, a staggering 44% of younger users -- ages 18 to 29 -- say they deleted Facebook's app from their phones, according to new findings from Pew Research Center.