Mediagazer: DMS13: 32% of WSJ traffic coming from mobile (Sarah Marshall/Journalism.co.uk)

5:35 PM ET, February 19, 2013

Top News:

Tim O'Brien leaves the Huffington Post; editor was a driving force in the site's pursuit of ‘capital J’ journalism — Tim O'Brien, the executive editor of The Huffington Post and Arianna Huffington's main deputy in the newsroom, is leaving the site to work on his next book.

Discussion: The Wrap, The New York Observer, Daily Download, Politico, @joepompeo, @ryantate and @tmcgev

Joe Coscarelli / New York Magazine:

The Huffington Post Has a ‘No Writing Books’ Rule — The Huffington Post executive editor who left the New York Times and helped bring the blog empire a Pulitzer Prize is vacating his job to write historical fiction. In a memo to staff today, Arianna Huffington explained that Tim O'Brien …

Discussion: Forbes, Adweek and @jackshafer

Sarah Marshall / Journalism.co.uk:

DMS13: 32% of WSJ traffic coming from mobile — Raju Narisetti from the Wall Street Journal explains why mobile first presents a ‘profound challenge’ for publishers, and lessons learnt from The Daily and AllThingsD — Almost one third of the Wall Street Journal's online readers access …

Discussion: NetNewsCheck Latest and Talking Biz News

Jasper Jackson / TheMediaBriefing: Digital Media Strategies: WSJ digital managing editor Raju Narisetti on the intersection between tech and content

Kara Swisher / AllThingsD:

Demand Media Says It Wants to Split in Two — Spinning Off Domain Registrar Business From Media Unit — Demand Media said today that it planned to split its company in two parts, spinning off its domain business from its media one in a bid to better clarify the company to investors.

Discussion: Forbes, TechCrunch and @sdkstl

Jeff Bercovici / Forbes:

Attention, Publishers: ‘Iconic’ Is Not A Business Model — Let's review what the year 2013 hath wrought so far in the media industry. — Reader's Digest, staggering under $1.2 billion in debt, has filed for bankruptcy for the second time in four years. Rolling Stone owner Jann Wenner managed …

Discussion: DealBook

Andy Plesser / Beet.TV:

The New York Times Launches Real-Time Ad Serving with Twitter Data — The New York Times has launched “Spark,” a product created by the Times' R&D lab that serves display advertising into stories as they are trending on Twitter, matched with the demographics of the users who “touch” …

Discussion: Journalism.co.uk, AdAge and paidContent

William Turvill / Press Gazette:

Broadsheets back Sunday Times decision to decline freelance submissions from Syria — Broadsheet newspapers have backed The Sunday Times' decision not to accept freelance submissions from Syria. — Press Gazette revealed this month that the News International title had told a photographer …

Discussion: Poynter and Editors Weblog

Andy Plesser / Beet.TV:

Vivian Schiller: NBC News is Readying “Rich Journalism Destination” — NBC News is in the midst of the “reinvention” of its Web site which will launch this spring as a “rich journalism destination,” with enterprise, investigative reporting and a significant increase of “Web native video” …

Discussion: NetNewsCheck Latest, Thanks:@beet_tv

Columbia Journalism Review:

Where the jobs are — How WYNC's data journalism efforts show new opportunities for journalists — There are probably few things that intimidate journalists like reams of data. Unemployment might be high on that intimidation list, but you could argue that that's a numbers issue, too.

Discussion: Kirk LaPointe's …

David Carr / Media Decoder:

Does the ‘House of Cards’ All-You-Can-Eat Buffet Spoil Social Viewing? — For many viewers, one of the pleasures of watching the favorite-of-the-moment TV series is gathering around the digital water cooler to hash out the plot points, quibble with the details ("How could the truck not hear Matthew coming?

Discussion: TechCrunch, Quartz, SplatF and WebProNews

Brian Stelter / Media Decoder:

Meteor Videos Set Online Viewing Record — How did you watch the videos of the meteor that lit up the sky over Siberia last week? If you're like many people, you went straight to YouTube, where dozens of amateur videos were uploaded soon after the rare occurrence.