Before revision:  Recent studies have shown that some commercial VPNs leak user traffic to third-party trackers. In light of these developments , we aim  understand how and why a technically savvy population---university students---chooses and uses VPNs,  whether they are aware of data leakages by VPNs, and how awareness and attitudes about VPNs affects decisions to use them .
After revision:  Recent studies have shown that some commercial VPNs leak user traffic to third parties. In this paper , we aim understand how and why a technically savvy population---university students---chooses and uses VPNs, whether they are aware of data leakages by VPNs, and how awareness and attitudes about VPNs affects decisions to use them .