Tribune Interactive rolls out a new “proprietary standards-based content management and publishing platform that speeds delivery of breaking news to users across Tribune’s national network of news and information Web sites.” The platform, known internally as Oxygen, delivers content to Tribune Interactive’s 11 daily newspaper Web sites (including chicagotribune.com, latimes.com and newsday.com), automates content sharing among all the sites, and creates standard advertising placements for national advertisers throughout the network.