Fake People. I falsi profili automatizzati

The probability of running into fake profiles on the internet is very high: Facebook has recently eliminated half a billion, while Twitter is estimated to still have tens of millions. Many of these fake profiles are sophisticated enough so that they can be mistaken for real people, but actually they are based on algorithms programmed to act automatically in order to reach various objectives. Some of these could be marketing objectives, such as launching products or pushing internet users to click on certain webpages while others can influence public opinion. What are the risks of these automated accounts?