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Since launching in 2009, Foursquare has collected 12 billion global check-ins, which have formed the cornerstone of its location intelligence. Using this data, Foursquare is able to detect a billion new place visits per month via the activity generated by users and business partners around the world. Foursquare now offers its proprietary location technology to hundreds of other companies, including Apple, Samsung, Microsoft, Twitter and AirBnB.
We will give an overview of Foursquare's data and how it has evolved, starting with the check-in and expanding to include continuously-detected visits on millions of smartphones. We will also describe Foursquare's core location technology, Pilgrim, how it works, and some of the data science challenges it has generated.
Adam Waksman is the Director of Engineering and Data Science at Foursquare, with oversight over Pilgrim. He has worked in various startup areas, including healthcare technology, fintech, and locations intelligence. Most notably, he was Chief Technology Officer at Epickk and was a day-one member at Arcesium. Prior to that he earned his Ph.D. at Columbia University; his academic papers in computer science and neuroscience have resulted in close to a thousand citations.