President Obama’s score is 91. Lady Gaga’s is 94. But Justin Bieber is the man to beat, with an all-time high score of 100. On what metric does the President of the United States lose out to pop stars? It’s not about style, humor or staying in key. It’s about Klout. As Anthony Wing Kosner, web developer and contributor to Forbes.com explains, and we hear from Sam Fiorella who failed to get a job because of his low Klout score.

It was a case of crime and punishment in the digital age when Cincinnati-based mechanical engineer Mark Miller took to Twitter with a series of politically heated missives about a local municipal project. Upset that the city of Cincinnati, Ohio would be spending money on a new streetcar, Miller sent tweet after tweet about how those efforts were browning out large percentages of fire departments in the city limits. Miller's tweets didn't just incite local debate, they got Miller slapped with a lawsuit, because under an Ohio law, it's illegal to make false statements in political campaigns. There are 17 states with similar laws -- but do those laws still reflect the reality we are living in?

The dialogue of the 2012 election has been defined in a large part through social media, and Super Tuesday was no different. Republican presidential candidates, journalists, and voters from across the country tweeted yesterday about their opinions of the GOP primary race.  

Three years ago, Chris Brown made headlines when he brutally beat his then-girlfriend Rhianna, putting her in the hospital and forcing both to cancel their scheduled Grammy performances. Brown was invited back for this year's awards show, and performed twice to great acclaim. Since Sunday's event, many of Brown's female fans — aka members of "Team Breezy" — have expressed their support by tweeting that they would let him beat them up.

Political die-hards know how to truly gauge the mood of the country this primary season. You have to keep one eye on the television and one eye on Twitter. Sure you can read the story in the paper the next day, but the excitement develops in real time through a stream-of-conscious and subconscious that comes right into our laptops and iPhones. Takeaway co-host John Hockenberry takes a look at how the story of Florida's GOP primary unfolded on the ubiquitous social media tool.  

Twitter has announced that they will censor communication in some countries. This has sparked concern among users as the social media platform has become vital to pro-democracy movements around the world. How will this affect normal Twitter users? Which one of your tweets might be censored? Mark Gregory, technology correspondent for our partner the BBC, tells us more.

The battle for the New Hampshire primary plays out on TV screens, newspapers, and the internet as results come in throughout the night. One way to tell the story of this event is through Twitter, by seeing how pundits, politicians, pranksters and across the country reacted to the results. Takeaway co-host John Hockenberry tells the story of the New Hampshire primary according to tweets.

Twitter was around four years ago, the last time the nation focused its attention on the Iowa primaries. But since then, while President Obama struggled, the economy sputtered, and the GOP dithered, Twitter was — to borrow a term from the microblogging service — trending upward. In the rejiggered electoral landscape of 2012, trending on Twitter is as good as publicity used to be. John Hockenberry takes a look at the major trends on Twitter during the Iowa caucuses.

Since August 31, the anniversary of Germany's invasion into Poland, Alwyn Collinson has been tweeting the events of World War II as if they were in real time, 72 years later. Under the handle @RealTimeWWII, Collinson sends up to 40 tweets a day chronicling the war, using eyewitness accounts, photographs and video. His Twitter page now has more than 118,000 followers and his tweets are translated into Spanish, Portuguese and Russian. Collinson talks about how he embarked on the six-year project.

Two Cornell researchers used a large-scale study of posts on Twitter to track the world's mood shifts, and the discovered a pattern that transcends nationalities and climate. The study focused on Tweets from two million people, in 84 countries, posted at all times of day, month, and year. They found some fascinatingly similar patterns. Might their study have any implications for the way people do research going forward?

In the days after Hurricane Irene, many travelers find themselves stranded after cancelled flights or suspended train service kept them from going where they wanted to go. Even without extreme weather conditions complicating travel, most travelers have an an airline horror story or two, and many times the source of the problem is not the cancelled trip or lost bag, but inadequate customer service or lack of information from the airline. Several airlines are seeking to remedy this problem by using social networking for customer relations — a tactic many different types of companies are employing nowadays.

British Prime Minister David Cameron says his government will look into a possible crackdown on social media, after citizens used websites like Twitter as an organizing tool for the riots that shook cities across the U.K. earlier this week. Free speech advocates have criticized the idea, saying it's reminiscent of the social media shutdowns practiced by autocrats like former Egyptian President Hosni Mubarak. Are Cameron and Mubarak suddenly brothers in censorship? Or is this a viable method for preventing violence?

Yesterday, President Obama held the first ever White House Twitter Town Hall meeting. The president fielded questions from Twitter users (asked in the site's standard 140 characters or less). But the president's answers were anything but concise. In fact, he responded to participants' questions with the same long-winded, professorial rhetoric he's been criticized for throughout his presidency. Obama's ability to address his base and stimulate audiences was perhaps his greatest strength as a candidate in 2008. This begs the question: Why has President Obama failed to properly get his messages across to the American people since then?

After deliberating for 10 hours yesterday, the jury in the Casey Anthony trial reached a not guilty verdict. The Florida mother was accused of killing her two-year-old daughter Caylee in 2008. Ultimately, jurors rejected the prosecution's allegations that Anthony had suffocated her daughter with duct-tape and dumped her body in a wooded area. The case captivated the nation for three years and the methods news outlets used to cover the trial may have permanently changed they way the media will report on high-profile court cases in the future.

Rep. Anthony Weiner (D-NY) has a communications crisis on his hands. He tweeted lewd photos to followers and then lied about it to his wife, his family and the press. In his emotional press conference, Weiner admitted to sending the photographs and apologized. Ron Bonjean leads Singer Bonjean Strategies, a communication and crisis management service. Weiner hurt himself, but he also hurt the Democratic party brand, says Bonjean. House Minority Leader Nancy Pelosi called for an investigation of Weiner in order to protect her party. However, did Weiner come clean fast enough to save his career?

Rep. Anthony Weiner (D-NY) admitted Monday to sending lewd photos of himself to women he met online. The revelation came after Weiner denied sending photos of himself, saying that his Twitter account was hacked. In a lengthy and teary press conference, Rep. Weiner apologized to his wife, his family and the media for his behavior. House Minority Leader Nancy Pelosi has called for an investigation of Weiner. Can the congressman survive the scandal?

The basics of "Weinergate" are well established. Congressman Anthony Weiner (D-NY), has a Twitter account. The Friday before Memorial Day weekend, a picture was posted on Yfrog and tweeted from Weiner's account to that of a 21-year-old college student in Seattle. The picture, as most of the country knows by now, was a shot from the chest down of a man in his underwear. It was immediately deleted. Rep. Weiner claimed, on twitter, that he'd been hacked. Takeaway Washington correspondent Todd Zwillich has been watching this unfold. John Abell, New York Bureau Chief for Wired.com, discusses Rep. Weiner's assertion that "I was pranked, I was hacked, I was punked" and how a person might actually prove such a thing.

Takeaway Washington correspondent, Todd Zwillich, has been following the latest scandal on Capitol Hill, where Rep. Anthony Weiner (D-NY) has been grappling with a PR nightmare after his Twitter account sent a sexually graphic photo to a young woman. Rep. Weiner says that his account was hacked, and during a press conference, Weiner got testy with reporters who wanted to know if the congressman had sent the photo himself.

Chris Groskopf, a news applications developer at the Chicago Tribune was faced with a family challenge. Following his divorce, his wife moved with their son to the small town of Tyler, Texas. Groskopf, wanting to live near his son, found a way to use his tech skills to carve out a role in Tyler. He is going to develop apps that will make Tyler's government, services, politics and news more accessible. For example, he says, it is challenging to find your polling place. Groskopf can make an app to help you with that! 

During the unrest sweeping across the Middle East and North Africa, social networking sites have become forums for pro-revolutionary forces to gather information and support for their causes. But while the rebels and their supporters have gained ground, they’ve had to contend with pro-government forces staking their claim in the virtual sphere as well.