In a step toward protecting the personal data of online users, researchers at Columbia University have created new software called XRay that can observe and predict how tech companies are using the personal data that they collect. The software is based on research related to Google’s Gmail ads, Amazon recommendations, and YouTube recommendations. XRay, which will help privacy-concerned watchdogs track how personal data is used, is still in development. Continue reading Transparency for the Web: XRay Tracks Use of Personal Data