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At a time when the online world is continually seen as a more trusted source of news, mainstream media outlets find themselves forced into the position of becoming more and more open to keep their readers coming back. Removing "paid subscription" requirements that prevented everyday users from accessing content was one of the first cracks in the walled gardens. Opening APIs to other developers has been gaining favor. And now, another trend is coming to light: incorporating third-party content to supplement the original content the sites are offering. Today, the Gray Lady joined those ranks as the The New York Times launched Times Extra, a view of its front page supplemented with content from other news sources and blogs.

In a brilliant move that's sure to make both newspapers and social networks around the web jealous, the New York Times and LinkedIn, the leading US social network for professionals, are announcing a content partnership tonight that could substantially increase the value for users of both sites. The announcement will be made at the top of the hour, but the integration is live now.

LinkedIn users are now being shown personalized news targeting their industry verticals on the Business and Technology sections of NYTimes.com and will then be prompted to share those stories will professional associates.

The arrival of the App Store has brought a number of rivaling news applications to the iPhone and iPod touch as well. The most prominent entrants into the market are the New York Times, the Associated Press, and Bloomberg. While all of the applications are worthwhile for a certain subset of users, we can't help but feel that often the mobile websites of these organizations are actually more useful and fully featured than the native applications.

As print circulation continues its slide at most newspapers, one of the United States' most respected newspapers, the New York Times, is taking steps to boost online readership. The paper is already the third most cited web site on Techmeme, and the first on Memeorandum, proving that bloggers at least pay attention to its reporting. Now, the Grey Lady is working on an API that aims to make the entire newspaper "programmable."

Monthly political and cultural editorial magazine, The Atlantic, announced in an editor's note this week that it would be ditching its subscriber registration requirement to view online content. The magazine's printed content, including archives from 1995-present, is now free for the general public on its web site. Archives dating back to 1857 are available as part of a for-pay premium pass program (though some of those articles should be in the public domain, right?), excluding articles from January, 1964 - September, 1992, which are left out for copyright purposes.

Om Malik reported this evening that Automattic raised a $29.5 million Series B venture round led by Polaris Ventures, and including previous investors True Ventures and Radar Ventures. Perhaps the most intriguing part of the news is that the New York Times Company is also joining the round, making a strategic investment in Automattic, who are the creators of the widely used Wordpress blogging platform.

The New York Times is planning to begin running "citizen" videos about the US presidential primary elections on the paper's web site later this week, reports Beet.TV. The videos will feature non-professional journalists and will run on the Op-Ed section of the site until February 5, so-called "Super Tuesday" when a large number of US states hold primary elections.