Onion websites

Many companies have started creating websites in the Dark Web, mainly to allow access in countries where there might be prohibitions on using them openly. One example is Facebook, which in October 2014 announced that they had added a Dark Web version in order to prevent access issues that happened when Tor users accessed their accounts through Facebook's regular site. The Dark Web version also allows users from countries that limit access to Facebook to be able to enjoy the social network. The following screenshot displays the Facebook onion site:

Several advertising companies also create sites in the Dark Web, to provide their services to users who want to view ads, but still want to maintain their privacy and security. As you may know, many ads collect information about us, and some are even considered malware. This is one of the reasons that adblockers were developed. For example, Adland, a site boasting the largest collections of Super Bowl commercials in the world, curates...