What are persistent cookies? What are persistent cookies used for?
Persistent cookies are stored on your computer in order to recognize user and retain his/her personal preferences when he/she returns to a website. E.g. because of persistent cookies a website remembers your name and password on protected login pages, your email address appears by default when you open your Yahoo! or Hotmail email account, or your personalized home page appears when you visit your favorite online merchant. Persistent cookies exist beyond the life of your Internet session and may live for months or years. In most browsers, you can adjust the length of time that persistent cookies are stored.