RSS 0.9x, 1.0 and 2.0

• What’s the difference?

• 0.9x Netscape portal derived

• Dave Winer, UserLand 0.91-0.94

• 1.0 IETF Working Document

  • RDF-based, namespace support

• 2.0 Ad-hoc, real-world

  • Namespace?, single vendor