Facebook: How deep learning benefits social media

Facebook: How deep learning benefits social media

How Facebook uses Big Data in practice

With almost 2 billion people updating their status 293,000 times per minute, Facebook could, until recently, only hope to draw value from a tiny fraction of all its unstructured data – information that isn’t easily quantified and put into rows and tables for computer analysis. But now, deep learning is helping to change that.

Deep learning techniques enable machines to learn to classify data by themselves; for example, a deep learning image analysis tool can learn to recognise images that contain cats, without specifically being told what a cat looks like. By analysing a large number of images, it can learn from the context of the image – what else is likely to be present in an image of a cat? What text or metadata might suggest that an image contains a cat?

This helps give structure to unstructured data, which makes deep learning an extremely valuable tool for a company like Facebook. In just one example of how the social network uses deep learning to understand more about its users, deep neural networks – the foundation stones of deep learning – are used to decide which adverts to show to which users. This has always been a core part of Facebook’s business, but by tasking machines themselves to find out as much as they can about us, and to cluster us together in the most insightful ways when serving us ads, it hopes to maintain an edge against other high-tech competitors, such as Google, who are fighting for supremacy of the same advertising market.

 

The technical details

Most of Facebook’s deep learning technology is built on the Torch platform, a development environment focused on deep learning technologies and neural networks.

 

Ideas and insights you can steal

Deep learning will probably continue to play a key part in the future development of Facebook. And this, in turn, is likely to benefit countless other organisations – after all, Facebook provides other companies with access to its user data. This means even small companies with no data infrastructure of their own can potentially benefit from the most cutting-edge deep learning technology.

You can read more about how Facebook is using Big Data to drive success in Big Data in Practice: How 45 Successful Companies Used Big Data Analytics to Deliver Extraordinary Results.


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Written by

Bernard Marr

Bernard Marr is a bestselling author, keynote speaker, and advisor to companies and governments. He has worked with and advised many of the world's best-known organisations. LinkedIn has recently ranked Bernard as one of the top 10 Business Influencers in the world (in fact, No 5 - just behind Bill Gates and Richard Branson). He writes on the topics of intelligent business performance for various publications including Forbes, HuffPost, and LinkedIn Pulse. His blogs and SlideShare presentation have millions of readers.

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