U.K. airstrikes, auto loans and a Facebook killer? Here's what we're reading Friday.

Rules apparently bar foreign service members from taking the challenge.

When social media algorithms confuse engagement with approval.

Coverage of protests in Ferguson, Missouri is being propelled by social media.

Novelty apps are turning over at a ferocious pace. What could go wrong?

Social media is changing the nature of the customer service industry.

What one Twitter user gained when she unfollowed men on the social network.

More people interact with Twitter than just those who are signed on.

Just in case you needed social science to prove it.

Big brands want to advertise on the social media accounts of people with large followings. How do they find them? Enter the matchmakers.