Cookies do a lot of different jobs which make your experience of the Internet much smoother and more interactive.
For instance, they are used to remember your preferences on sites you visit often, to remember your user ID and the contents of your shopping baskets, and to help you navigate between pages more efficiently.
Without these cookies, services you have asked for, such as setting up PIN protection on All 4, cannot be provided.
Users must register before using the site, after which they may create a personal profile, add other users as friends, and exchange messages, including automatic notifications when they update their profile.
A social networking service is an online service, platform, or site that focuses on facilitating the building of social networks or social relations among people who, for example, share interests, activities, backgrounds, or real-life connections.
Facebook is a social networking service and website launched in February 2004, owned and operated by Facebook, Inc.
As of May 2012, Facebook has over 900 million active users, more than half of them using mobile devices.