Sen. Rand Paul's Facebook page has nearly 2 million likes. It features posts from his travels, interviews and infographics about his potential competition. Alex Wong/Getty Images hide caption
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Some colleges and police departments are starting to use software that scans social media to identify local threats, but most tips still come from members of the public. Ikon Images/Getty Images hide caption
Awash In Social Media, Cops Still Need The Public To Detect Threats
Friday, DeMarcus Cousins of the Sacramento Kings reminded sports journalist Clay Travis that his five-year guarantee — that Cousins would be arrested — had expired. Thearon W. Henderson/Getty Images hide caption
Panelist Nahshon Ellerbe, a star running back at Trinity Christian Academy in Addison, Texas, warms up before a game against Midland Christian. Jeffrey McWhorter/Trinity Christian Academy hide caption
Social media provides voice to movements and helps drive them. Picking the right platforms for these sensitive conversations, though, is a sign of our growing digital sophistication. iStockphoto hide caption
Actor James Franco (left), seen here with The Interview co-star Seth Rogen, was called "James Flacco" by President Obama Friday. Afterward, the jokes poured in. Getty Images hide caption
Instagram topped Twitter in active users in its latest count. Spencer Platt/Getty Images hide caption
The act of photographing or sharing a filled-in ballot is illegal in 44 states. iStockPhoto hide caption
An image from a Twitter video shows how a user would report harassment under a new process announced Tuesday. Twitter hide caption
Jana Rich is one of Silicon Valley's top executive recruiters. Anthony Cruz/OZY hide caption
Amateur cook and writer Maureen Evans has perfected the art of tweeting a recipe in 140 characters or less. fot. Wojciech Zalewski/iStockphoto hide caption
Apps working with Digits, a new Twitter service, would simply ask for your phone number instead of a password. Twitter.com hide caption
The media is all over this story: Ebola in NYC! Don Weiss, a doctor with the New York City Health Department, faces microphones outside the bowling alley visited by the physician who tested positive for the virus. John Minchillo/AP hide caption