This page has 3 sections of content on the page. This is the first section containing the first few paragraphs. The second section is the Password Protected Section box below, where your visitor visitor would need to enter the password in order to view the hidden content.
 on this page, the password is 'alladin' , but obviously, you would not want to declare the password on the same page normally.
locked page section
Please enter the password to view protected content:
You could use a password and declare it on the same page to prevent automatic 'harvesting' of data by other computer systems. An example of 'harvested' data could be email addresses, which are commonly harvested and used for spamming.