Crosswise aggregates over one petabyte of activity data, collected from billions of unique devices every month.
This data includes tens of data points, including device IP address, WiFi networks used, GPS coordinates, websites browsed, ads displayed, device type, operating system, browser cookies, mobile device IDs, time of day and many more. This anonymous activity data does not include any personally-identifiable information (such as name, email address or phone number).
Crosswise applies advanced data science and proprietary machine learning techniques to this data, to construct a probabilistic device map that matches multiple devices - including PCs, phones, tablets and digital TVs - to individual users.
A key element of the technology is the use of over 100 million deterministic pairs (cross-device matches confirmed by unique login) provided by third parties. This data is used continuously to test and improve Crosswise’s probabilistic model. In head-to-head comparisons with device map from other providers, Device Map by Crosswise consistently delivers superior results.