The number of votes will settle for the demand of the page.
Better than spyware: One of the most famous reasons for the occurrence of spyware is the capability to spy on buyer surfing habits & to amass a customer profile. Employing this profile advertisers can exhibit ads that are in close relevance to the customer's interests.
In the case of social bookmarking websites, the buyers themselves unintentionally building their own profile. By voting for a web site and news item, the users claiming "This is of taste to me". Having enough votes a person may generate a customer profile, understanding what is fascinating for that buyer.
Generally all sites publish their casting votes history publicly. Going to any buyer profile will expose you to their chosen stories. You can even find what is in user's mind.
While number of these web sites assure not to loose your confidential information but yet they feel unrestricted to do anything with the priceless information unobstructedly.
Large search engines & big portals which can gather such kind of private information are beneath massive public scrutiny considering a safe guard of this sort of info, but earthly bookmarking websites restricted below the radar.