RSS

1. Short for Really Simple Syndication, RSS is XML-formatted text commonly used for distributing weblogs, news, or other content that is updated frequently. Version of RSS 0.91, 0.92, and RSS 2.x are known as "Rich Site Summary". Version of RSS is RSS 0.9 and RSS 1.x are known as "RDF Site Summary".
2. Short for Relay Spam Stopper, RSS is a list of email relays that have been used to send bulk unsolicited e-mail created by MAPS.

Also see: Aggregator, Feed, Spam, SSE, Weblog, XML