RSS
RSS describes a group of file formats based on XML, or Extensible Markup Language, which allows digested news and headlines to be easily delivered over the Internet. It enables AT&T-related headlines to be sent directly to interested individuals by using standard Web-based technologies.
del.icio.us
del.icio.us is a social bookmarking Web site where users can save, tag and share their favorite online content. Content that is saved on del.icio.us can be accessed from any Web-connected computer and can be viewed by friends and family. A del.icio.us account is required in order for users to bookmark, save and tag content.
digg
Digg is a social content Web site, where content is submitted to and voted on by the users. Anyone can submit, vote or comment on a story. A digg account is required to submit content.
Technorati
Technorati is a major Internet search engine used for searching blogs. As of April 2007, Technorati indexes over 75 million weblogs.
