 Boston University researchers said our paper is a first step into getting some insight into how this personalization works. And then at the second step, we also try to look specifically into a few factors and see how much they influence personalization. Manuel Horta-Riberio, a researcher at the Swiss Federal Institute of Technology, said, quote, they explore a neat way to get data, which is to pay money for users to give the data to you. This is made possible by...