What the Digital Brains of the Future Might Be Like

An entrepreneur and long-time neuroscience hobbyist attempts to merge his two loves.
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Alexis Madrigal

It is the rare entrepreneur who hits it truly big twice. Those who do -- such as Ev Williams, Ted Turner, and Elon Musk -- tend to stay within the original industry that made them. In recent memory, Steve Jobs sticks out for his success in entertainment (Pixar) and computing (Apple).

Modest ideas that can change the world. See full coverage

Which is what makes Jeff Hawkins so intriguing. Having founded Palm (of Pilot fame) and sold it, Hawkins turned his attention back to his long-time hobby... neuroscience. And now he's got another company, Grok, that tries to apply what he learned about neurons and brain processes to the data problems that companies have. While technology has been Hawkins' job for most of his adult life, it's clear that the brain is his passion. His book detailing his synthesis of neuroscience research, On Intelligence, received unexpectedly great reviews from the research community. Nobel laureate Eric Kandel even blurbed the book, calling it "a must-read for everyone who is curious about the brain and wonders how it works."

We spoke at the company's modest offices in Redwood City for a Q&A that was published in this month's magazine.

Here, you can find the extended remix.

What is Grok?

Grok is software that helps companies take automated action from streaming data. It does this by finding complex patterns in machine -- generated data, and making predictions. It might use smart-meter data to predict energy needs, or data from complex machinery to predict equipment failures. The underlying technology is based

So how does it actually work?

Grok is self-learning -- it finds patterns in data without human intervention. Feed Grok streams of data, and it automatically models the data the way a human analyst might -- by understanding which data streams are useful, trying to represent the data, and tuning complex algorithm parameters to improve results. Because it's automated, Grok is ideal for analyzing thousands of data streams. Grok also learns continuously. Unlike most other analytics techniques, Grok learns from every data point, versus having to be retrained. No analyst needs to make a decision about when to take models offline and update them.

How do most people work with data now?

What most people do today is put data in big databases and analyze the correlations. Say you have 1 billion users on Facebook, and you're trying to figure out what advertisement to feed to 20 percent of them. You want one big model on all these data. What we do is different: Say someone has 10,000 smart meters, and they're trying to figure out what energy consumption is going to be two hours from now. We build 10,000 models. You can't have a data analyst doing that. If you want to model every machine in a factory or every windmill in a windmill farm, it's all about automation. We build lots of little models -- that's the future of data.

Most advanced analytics require substantial human expertise and are done in batch fashion -- data are gathered for some time period and then processed in big chunks. This process can be slow and is hard to apply to a broad range of problems as the world changes. It also means using huge databases, which are expensive -- it's complex to maintain and move large amounts of data around. Grok, like your brain, is a streaming system. Data pass through Grok, predictions are made -- but Grok doesn't need to store the data to function. With millions of devices generating billions of data streams, the ability to store only what's critical can be a significant advantage

In industrial applications, more -- basic approaches -- say, looking at a sensor to ensure a temperature does not exceed a certain value -- can be used to monitor equipment and alarms. These approaches have limitations: By the time an alarm is triggered, it may be too late. Or what's normal for one machine may not be normal for the next.

Grok lets you automate processes that previously required manual adjustment. Heating or cooling systems can be turned on or off intelligently. Applications can be migrated between servers based on load. Network traffic can be rerouted. Unusual behavior of heavy machinery can generate alerts that recommend specific action. Instead of reacting to problems, you can anticipate them.

Who else might use your software?

People who want to do anomaly prediction. Grok works as if it's listening to very noisy melodies and going, "I recognize some of this. That sounds a little familiar." And all of a sudden it says, "This sounds totally different. I've never seen this before," so it goes beep, beep. There are a lot of people looking for anomalous behavior in credit-card and security applications. It turns out this might be even bigger than prediction. But of course, anomalies are the flip side of predictions -- if I can't predict well, then I have an anomaly.

So how does this relate to your previous work on the brain?

First of all, we have a very complex brain; it's got all these different components. But we're just talking neocortex here. Every mammal, from a human to a mouse to a dolphin, has one. What is the neocortex doing? It's building a model of the world, of what we call sensory motor contingencies or sensory motor patterns: Why are you wearing glasses and what does that mean? Or: If I turn my head to the right, I have expectations about what I'm going to see. Most of what we learn about the world is how it behaves when we interact with it. The neocortex builds a model of what should happen in a particular context. A bigger neocortex lets you make a more complex model, and it lets you have more sensors. And that's what intelligence is: it's learning this model of the world.

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Alexis C. Madrigal

Alexis Madrigal is the deputy editor of TheAtlantic.com. He's the author of Powering the Dream: The History and Promise of Green Technology. More

The New York Observer has called Madrigal "for all intents and purposes, the perfect modern reporter." He co-founded Longshot magazine, a high-speed media experiment that garnered attention from The New York Times, The Wall Street Journal, and the BBC. While at Wired.com, he built Wired Science into one of the most popular blogs in the world. The site was nominated for best magazine blog by the MPA and best science website in the 2009 Webby Awards. He also co-founded Haiti ReWired, a groundbreaking community dedicated to the discussion of technology, infrastructure, and the future of Haiti.

He's spoken at Stanford, CalTech, Berkeley, SXSW, E3, and the National Renewable Energy Laboratory, and his writing was anthologized in Best Technology Writing 2010 (Yale University Press).

Madrigal is a visiting scholar at the University of California at Berkeley's Office for the History of Science and Technology. Born in Mexico City, he grew up in the exurbs north of Portland, Oregon, and now lives in Oakland.

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