Microsoft founder Bill Gates said in 2004 that the problem of spam would be solved within two years. It seemed unlikely at the time, and in fact 2006 came and went without so much as a dip in the crushing load of unwanted email advertising.Meanwhile, unwanted telemarketing calls were on the rise five years ago. The future of junk e-mail and unwanted marketing calls looked bleak, with no relief in sight.
http://www.computerworld.com.au/article/407383/has_spam_problem_been_solved_/
http://www.networkworld.com/news/2011/111411-has-the-spam-problem-been-253074.html