Users can take advantage of several features, including sharing videos on social media websites and liking or disliking them. This was due to the issue of child internet safety. David Shafer was present to give the exams and teach women how to perform self-exams, and pornographic actress Bree Olson acted as a cheerleader for the event. The site requires Russian users to provide their cellphone numbers or passports to log in. In this way it has been called "the Kinsey Report " of our time. In the first half of , for example, the top search term in the U. Brazzers, Mofos, Digital Playground and Twistys. In October , vice president Corey Price announced that PornHub would use computer vision and artificial intelligence software to identify and tag videos on the website with information about the performers and sex acts. The second spot, which features an older couple sitting on a park bench that's really all that happens , includes no explicit content". Price said the company plans to scan its entire library beginning in early Though not the most popular pornographic website, Pornhub holds the honour of being the single largest such website on the internet, hosting more videos than any similar site. To combat the proliferation of illegal content, users are encouraged to flag videos they deem inappropriate, which are immediately reviewed by the Pornhub team and removed if they violate the website's terms of service. Aimed primarily at men, the wristband would use the up and down motion of masturbation to charge consumer electronics. Malvertising Researcher Conrad Longmore claims that advertisements displayed by the sites were found to contain malware programs, which install harmful files on users' machines without their permission. As residents were notified around 8: Users may also optionally register a free Pornhub account, which additionally allows them to post comments, download videos and add videos to their favourites, as well as upload videos themselves.