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This excerpt is from NiemanLab. To view the whole article click here

9 years ago
The New York Times Built a Slack Bot to Help Decide Which Stories to Post to Social Media


For more applications of predictive analytics from the New York Times, attend the keynote presentation from Chief Data Scientist Christopher Wiggins’s at Predictive Analytics World for Business, Sept. 27 – Oct. 1, 2015 in Boston. Use code PATIMES15 for 15% off your conference pass!

The bot, named Blossom, helps predict how stories will do on social and also suggests which stories editors should promote.

The New York Times publishes more than 300 stories each day. Which ones should editors feature on its many social media channels? While the humans behind the Times’ social media accounts have refined their voice and craft, the process of handpicking which stories to feature can still be laborious and involves quite a bit of trial and error. Only around 50 stories make it to the Times’ main Facebook page each day, for instance (even fewer on weekends).

A new tool built by the Times’ data science team is trying to remove some of the guesswork involved in finding the right story to post to social. Blossom, an intelligent bot within the messaging app Slack, predicts how articles or blogposts will do on social and also suggests which stories editors should promote by drawing from enormous stores of data, including information on story content and performance metrics such as Facebook post engagement. Blossom can also show the basics of where posts have already appeared and how they are currently performing.


At the moment, social media editors — and, really, anyone else within the Times newsroom who uses Slack — can query Blossom via a direct message or in a Slack channel to figure out which story to post to Facebook. “Blossom Facebook?” editors can ask in Slack, and receive answers about what might do well there. The bot also includes some “Easter egg” features (such as weather) to encourage Times editors to explore and get familiar with the tool.

The backend of Blossombot is “pretty advanced machine learning” involving Java, Python, and MapReduce, and the front end is “a really friendly chat bot,” Times chief data scientist Chris Wiggins told me.

“How do you turn all this data into an algorithm? What’s the right way to represent all this data, what are the attributes of how a story has behaved that might matter?” Wiggins said. “How do you represent raw data in way that’s actionable?”


The idea for Blossom came out of discussions with Alexandra MacCallum last fall after she was named as assistant managing editor, overseeing audience development and outreach. Part of her team’s job is to craft promotion around a story after it goes live online, but with hundreds of new pieces published each day, finding the most effective way to promote stories was a daunting task. With Blossom, a social editor thinking about promoting a specific Times story can ask what’s been happening with that story in terms of social engagement, or else ask for some predictions.

The tool is working well so far, according to Colin Russel, the Times developer who helped build Blossom and who’s been embedded with MacCallum’s audience development team. Facebook posts recommended by Blossom on average have been getting 120 percent more clicks than non Blossom-powered posts, and the median, or “typical,” Blossom post gets about 380 percent more clicks than a typical non-Blossom post. (Blossom doesn’t yet send active alerts on what might take off specifically on Twitter, but editors still query the bot for Twitter suggestions and have found some overlap between posts that do well on Facebook and posts that do well on Twitter.)

“Our social and growth editors often have very hectic jobs, especially during heavy news days,” Russel told me in an email. “It’s not enough to build something you think they will use. You have to see how they do their job and figure out where something like Blossom could be worked in. You have to build the tool around them, rather than forcing them to change their behavior to fit the tool.”

At the moment Blossom’s main focus is on the Times’ Facebook and Twitter accounts, though it could eventually expand to cover all the social platforms on which the Times publishes. Francesca Barber, a growth editor on the International Desk, serves as a sort of product manager, helping Russel figure out which of the many features requested by different desks at the Times to prioritize.

By; Shan Wang, staff writer, NiemanLab
Orignally publsihed at

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