Social bookmarking is an online service which allows users to add, annotate, edit, and share bookmarks of web documents. Many online bookmark management services have launched since 1996; Delicious, founded in 2003, popularized the terms "social bookmarking" and "tagging". http://laneqere47924.ezblogz.com/20263880/contacam-9-9-8-cam-ra-de-s-curit-de-surveillance