There is two side for the internet, one being the straight side and the other being the shady side. The shocking thing is that the normal browsing that people do, all around the world is only about 10-15% of the internet.
There are many hidden activities like the drug trade, hacking, p*rnography and so going on on the web.
This is the most feared trade on the internet. The internet provides information about various kinds of drugs that have been made in the world. Silk Road, an anonymous marketplace was launched in 2011 February by Ross William Ulbricht was closed down by the FBI in October 2013. But they came up with another version called Silk Road 2.0, which was also closed. But now Silk Road 3.0 is online.