Why should we delete cookies regularly?

Info that sites store on your PC to remember your preferences, such as sign-in info or your location. Cookies are small files that websites put on your PC to store information about you and your preferences. Cookies can make your browsing experience better by letting sites remember your preferences or letting you avoid signing in each time you visit certain sites. However, some cookies might put your privacy at risk by tracking sites that you visit. . Sometimes the cookies are used to track your visit to websites so that businesses can show you ads online. Browsers keep cookies until they expire, which could be when you log out of an account, or for years, as is the case for tracking cookies.

you dont have to delete cookies if your windows account is well protected with a password, so no one else will get into your browser habits. Now if your account is open and you need to protect your privacy then you have to delete all info (cookies, cache..) related to your online experience.

read more: http://www.euask.com/topic/5489-Why-should-we-delete-cookies-regularly