The latest edition of the CMO Survey surveyed 388 marketing chiefs from big U.S. companies and found that social media ad spend has lagged behind predictions over the last few years.

Chiara Nasti, a 19-year-old Italian fashion blogger, has taken abusive comments received on her Instagram account and printed them on toilet paper, then posted photos online.

The U.S. Marine Corps is issuing new rules governing personal activity on social media in the wake of a nude photo sharing scandal that prompted congressional hearings. It is unclear whether charges will be brought against individual marines, or what those charges might be.

Germany is serious about policing social media for illegal content, threatening fines for social media companies that fail to remove prohibited material in a variety of categories.

After comparing results of automated screening and screening of social media profiles by human beings, it was discovered that the software tools were unable to accurately match social media profiles with selected individuals.

The proportion of Facebook users who feel dissatisfied has been creeping up steadily over the last few years, according to a study from Bridge Ratings.

Academics in Britain have directly engaged with troll communities in order to understand how and why particular groups coalesce around particular topics.

One of social media's benefits is its ability to boost participation in fitness regimens by allowing users to compare their activity with other participants.

I know it's tough, but sometimes you have to face up to some unpleasant facts, like you shouldn't tell everyone where you are on social media.

A new study claims that social media - in this case Twitter - is helping synchronize patterns of human activity at a very large scale, stretching across numerous time zones and geographic regions.