After a white supremacist rally in Charlottesville turned violent last weekend, social-media users have been going through images of the event with a fine-tuned comb, "outing" participants to the Internet at large.

The President was duped into sharing a tweet from a person masquerading as someone else online. The Twitter account was tied to a pro-Trump e-commerce operation selling knockoffs of Trump campaign memorabilia.

Blocking unwanted followers on social media, or "kicking losers to the curb" in technical parlance, is an unquestioned right of private citizens. But what about politicians? Can elected leaders, when using social media in their official capacities, scrub their follower lists of unwelcome critics?

Google+, long dismissed as the also-ran and afterthought of the social-media world, is actually well liked by the relatively small group of people who use it.

Jake Paul is a Disney star, as well as an influencer, with 8.5 million followers across YouTube, Instagram and the like. Paul is now persona non grata in his West Hollywood neighborhood because of his preferred method of entertaining his social-media audience. Think destructive.

Social media was a central pillar of Trump's long-shot, outsider campaign for the presidency, allowing him to succeed where conventional wisdom said he would fail. And he's not about to stop now.

There are good reasons Donald Trump is posting a video of himself beating up a CNN avatar. First, because it pleases his base, or at least part of it. Mostly, because it shifts attention from serious issues - like the Russia probes or the Senate's healthcare bill.

The increase in cosmetic surgery can be tied, in part, to social media. But it becomes most insidious when it targets children.

Social media's real killer app is spreading propaganda, disinformation and fake news, according to a new study from the University of Oxford's Computational Propaganda Research Project.

McDonald's announced it is looking to hire 250,000 people across the United States this summer, with an advertising campaign rivaling any mass-market consumer brand. Where is the Golden Arches looking to find all these new (typically millennial) employees? Snapchat, of course.