As a former senior software engineer at Walmart Labs, Aaron Kulick has been in the enviable position of being able to pioneer what Walmart is doing with its big data strategy. He and Joshua talked about what it’s like working with bigger and bigger data sets, the long term utility of big data and whether or not there’s much room left for innovation and learning on the RUM journey.

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I’ll come right to it: As of this week, I’m retiring. I’m leaving this blog and our technology in more than capable hands, and I’m very excited about the future direction of both.

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We studied the page speed and composition of 400 top European retailers to see how these sites would load for visitors using Chrome 23 (the most popular browser in the EU at the time of testing). While the results may not be shocking if you’ve been paying close attention to this space, they may come as an eye-opener to online retailers in the EU.

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