Can a more complex, opensource spec successfully 'invade' the marketspace of an established, proprietary entrant? No, we're not talking about Linux v. Windows.
Reports are that Google and Yahoo are on opposite sides of this competition and that Google's Blogger subsidiary will offer only the Atom syndication standard. This widens the riff between supporters of Atom and those of the widely used RSS standard backed by David Winer's folks at the Berkman Center at Harvard. Source: Google spurns RSS for rising blog format - News - ZDNet
Thanks for beSpacific for the pointer to this story and for its topic archive on RSS.
Atom Spec Wiki.
Feed Validator on RSS.
See also the Exec Summary of a Knowlogix paper presented at a conference on content syndication last month, containing comments regarding the theory and utility of RSS and other Internet-based content syndication technologies.