The Internet, if nothing else, is a huge tool of measurement. Fundamentally, everything that occurs can be recorded and measured. This fact, in and of itself, makes Internet Marketing including all of its components and sub-specialties compelling for any serious marketer in the 21st century.
All pre-Internet and many current marketers surely are aware that if, for instance, you purchase a mailing list and then send out a mailer to an audience i.e. direct mail, the only thing you surely will know is how many responses you have to the first mailer; that is, if you track it which it often times isn’t. So, what you have here is a defined cost of marketing with relatively little visibility as to the results, the history , the ability to forecast leads, sales, profits. Consider the questions you absolutely cannot answer: