I was reading an article on www.Fool.com and as I got to the juicy part of the story, it froze me out! It said that I had to enter my email address in order to read the rest of the paragraph and story. I was stunned, amazed and impressed. This technique is called a Content Unlock because the user needs to take action (give an email, pay, download a toolbar etc….) in order to read or engage with further content. Fool placed it a great... read more