Web 2.0 terminology

blogosphere - the collective term encompassing all webblogs of blogs as a community or social network.

wiki pages - a group of web pages that allows people to add content.

social bookmarking - is an activity performed over a computer network that allows users to save and categorize a personal collection of bookmarks and share them with others.

RSS Feeds - a format for sending out news and the content of news-like sites

Podcasting - the web-based broadcast of information which works with software that automatically detects new files and is accessed by subscription

folksonomy - is the collaborative but unsophisticated way in which information is being categorized on the web.