Shitong is currently a 2nd-year PhD student at Security Lab of University of California, Riverside. He is now working with Prof Zhiyun Qian. His research interests include web security, privacy, program analysis and offensive techniques. He is now exploring the online ads ecosystem and its ever-escalating arms race with ad-blocking software. He hopes by re-inventing the user-end weapon set, the privacy of users can be better preserved, the transparency of ads delivery system can be more clearly revealed, and eventually all the participants in this arms race can agree on a more sustainable model that benefits every one of them.