The vote numbers will settle for the fame of the web page.
Superior to Spyware: Spyware spies on user's surfing habits & amasses his profile. Advertisers employ these compiled profiles to lay out suitable ads according to the customer's concern.
Customers themselves compose their own profile in social bookmarking sites without understanding that what they are basically creating. By voting for a web site or news item, the users saying "This is of concern to me". Possessing adequate votes an individual will create a client profile, comprehending what is engrossing for that client.
In most of the websites voting history is publicly exhibited. Going to any customer profile may expose you to their selected stories. From there you will assume what attracts that buyer.
Certain of these websites carry privacy scheme noting they will not cash in on confidential information, but on others there is no privacy policy and they are free to do anything they want with this valuable information.
Big search engines & big portals which can compile this kind of confidential message all come beneath massive general public analysis regarding a security of this sort of info, but wordly bookmarking websites restricted under a radar.