False news travels faster than truth on Twitter: Study
New York: False news on politics travels farther, faster, deeper and more broadly than the truth on Twitter because humans, not robots, are more likely to spread it, finds a study led by three Massachusetts Institute of Technology (MIT) scholars.
Social media has created a boom in the spread of information, although little is known about how it has facilitated the spread of false information.
The researchers also settled on the term "false news" as their object of study, as distinct from the now ubiquitous term "fake news", which involves multiple broad meanings.
"Twitter became our main source of news," said Soroush Vosoughi, a postdoctoral student at the varsity.
But in the aftermath of the tragic events, "I realised that ... a good chunk of what I was reading on social media was rumours; it was false news", Vosoughi added.
To understand the mechanism detailed in the journal Science, the team analysed roughly 126,000 stories tweeted by three million people more than 4.5 million times.
Falsehoods were 70 per cent more likely to be retweeted than the truth. It also takes true stories about six times as long to reach 1,500 people as it does for false stories to reach the same number of people.
When it comes to Twitter's "cascades", or unbroken retweet chains, falsehoods reach a cascade depth of 10 about 20 times faster than facts.
"We found that falsehood defuses significantly farther, faster, deeper, and more broadly than the truth, in all categories of information, and in many cases by an order of magnitude," explained Sinan Aral, Professor at the MIT.
"False news is more novel, and people are more likely to share novel information," Aral added, explaining why people tend to share more false news.
It is because people can gain attention by being the first to share a previously unknown (but possibly false) information. Thus, "people who share novel information are seen as being in the know", Aral said.
Examining this "novelty hypothesis", the team found that "people respond to false news more with surprise and disgust", whereas true stories produced replies more generally characterised by sadness, anticipation, and trust.
The effects were more pronounced for false political news (45,000 tweets) than for false news about terrorism, natural disasters, science, urban legends or financial information.
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Strict security measures in place in Mumbai for Messi's events at 2 venues Dec 14, say police
Mumbai (PTI): In view of Argentine superstar footballer Lionel Messi's visit to Mumbai on Sunday, the city police are implementing stringent security measures, like not allowing water bottles, metals, coins inside the stadiums and setting up watchtowers to keep an eye on the crowd, officials said.
The police also said taking extra care to avoid any stampede-like situation and to prevent recurrence of the chaotic situation that unfolded in Kolkata during Messi's visit on Saturday as thousands of fans protested inside the Salt Lake stadium here after failing to catch a clear glimpse of the football icon despite paying hefty sums for tickets.
Messi is expected to be present at the Cricket Club of India (Brabourne Stadium) in Mumbai on Sunday for a Padel GOAT Cup event followed by attending a celebrity football match. He is expected to proceed to the Wankhede Stadium for the GOAT India Tour main event around 5 pm.
"In view of Lionel Messi's visit to Mumbai, the police are geared up and have put in place a high level of security arrangements in and around the stadiums located in south Mumbai. Considering the chaos that prevailed in Kolkata and the security breach, we have deployed World Cup-level security arrangements at Brabourne and Wankhede stadiums," an official said.
Expecting heavy crowd near the stadiums during Messi's visit, the city police force has deployed more than 2,000 of its personnel near and around both the venues, he said.
As the Mumbai police have the experience of security 'bandobast' during the victory parade of ICC World Cup-winning Indian team and World Cup final match at the Wankhede Stadium, in which over one lakh cricket fans had gathered, we are prepared to handle a large crowd of fans, he said.
"We are trying to avoid the errors that occurred in the past," the official said.
There is no place to sneak inside the stadiums in Mumbai like the Kolkata stadium, according to him.
The police are also asking the organisers to provide all the required facilities to the fans inside the stadium, so that there will be no chaos, he said, adding the spectators have purchased tickets in the range of Rs 5,000 to 25,000. After paying so much of amount, any spectator expects proper services, while enjoying the event, he said.
The police are expecting 33,000 spectators at the Wankhede Stadium and over 4,000 at Brabourne Stadium. Besides this, more than 30,000 people are expected outside and around the stadiums just to have a glimpse of the football sensation, he said.
The organisers responsible for Messi's India visit recently came to Mumbai to discuss security arrangements. During the meeting, the Mumbai police asked them not to take the event lightly, according to the official.
After those requirements were fulfilled, the final security deployment was chalked out, he said.
Police has the standard procedure of the security arrangements inside the Wankhede Stadium, where people are barred from taking water bottles, metals objects, coins. Police are setting up watch towers near the stadiums and there will be traffic diversions, so that there is maximum space available to stand, according to the official.
Police are also appealing to the spectators to use public transport service for commuting and avoid personal vehicles to reach south Mumbai.
To avoid any stampede-like situation, police are also taking precautionary measures and will stop the fans some distance ahead of the stadium and public announcement systems will be used to guide the crowd. Barricades will be placed at various places to manage the crowd.
In case the crowd swells up beyond expectation, the police will divert people to other grounds and preparations in this regard underway, he said.
Additional police force has been deployed in south Mumbai to tackle any kind of situation, he said.
