4. 2.0 Tools and Terms: Blog- Short for “web log,” a blog is a web journal that lets users post and comments or news. Often, they also let readers post feedback. Podcast- An audio or video file distributed over the internet through RSS or another syndication feed. RSS- Really Simple Syndication is a technology that lets users subscribe to feeds that deliver wiki or blog updates or even more general information such as traffic alerts. WIKI- A collective web page that allows users to post or link content without having to use HTML.