ResearchKit Archive

What the Fitbit lawsuit means for clinical researchers

Dr. Samuel Volchenboum Crunch Network Contributor Dr. Samuel Volchenboum is the director of the Center for Research Informatics at the University of Chicago, a board-certified pediatric hematologist and oncologist and a co-founder of Litmus Health. How to join the network Fitbit is facing a class-action lawsuit regarding the accuracy of their heart-rate data, which have been shown to be inaccurate by a margin of up to 20 beats per …

Big data’s humble beginnings

Clicks. Once upon a time they were the most powerful tool in assessing online ad performance. A humble beginning, but much has changed. The data-driven measurement and predictive analytics technologies that launched adtech and expanded to marketing are now being applied to nearly everything — and yet, it’s easy to forget the road that led here. The genesis of big data October 27, 1994: The first ad to hit the web …