Silicon Valley Watcher - Former FT journalist Tom Foremski reporting from the intersection of technology and media

HP Study Shows Twitter Predicts Success Of Movies

Posted by Tom Foremski - April 5, 2010

Computer scientists at Hewlett-Packard recently published a research study that showed that Twitter can predict the success of a movie better than any other measure, including the Hollywood Stock Exchange, considered the gold standard in the movie industry.

The paper "Predicting the Future With Social Media" by Sitaram Asur and Bernardo Huberman, analyzed 2.89 million tweets from 1.2 million users referencing 24 movies released over a three month period.

The study looked at the pre-launch buzz such as the release of trailers, it found:

- Very few retweets because "people tend to describe their own expectations and experiences, which are not necessarily propaganda."

- Urls in the pre-release tweets didn't seem to have much effect on popularity of the movie, a surprising discovery since pre-launch publicity should contribute to success in the box office.

The study then looked at the first week of release and found a high correlation between the rate of pre-launch tweeting and the success of the opening weekend.

The study authors compared their findings with the Hollywood Stock Exchange (HSX)-this is considered the 'gold standard' in predicting the success of movies by offering a trading platform that allows people to buy and sell virtual shares in movies.

The study was "consistently better at predicting the actual values than the historical HSX prices."

The researchers also applied a sentiment analysis on the tweets, classifying them as positive, negative, or neutral. They hired thousands of people through Amazon's Mechanical Turk, to perform the sentiment analysis.

As would be expected, a majority of positive sentiments in Tweets predicted movie success. However, a movie could have a poor opening weekend but then win a growing audience in the following weeks, a trend predicted by positive tweets.

The study authors say that this method could be used for predictions for many other topics, including the outcome of elections:


While in this study we focused on the problem of predicting box office revenues of movies for the sake of having a clear metric of comparison with other methods, this method can be extended to a large panoply of topics, ranging from the future rating of products to agenda setting and election outcomes. At a deeper level, this work shows how social media expresses a collective wisdom which, when properly tapped, can yield an extremely powerful and accurate indicator of future outcomes.

Coming up, I interview Bernardo Huberman, head of HP's Social Computing Lab, about this study.

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Please see:

Bernardo Huberman, Director, Social Computing Lab, HP Labs


A Gold Mine Of Original Research Into Online Social Behavior


Video: Social Dynamics In The Age Of The Web


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