Links on Twitter: Yahoo partners with Twitter, display ads jump 13% at Washington Post, Quantcast launches ad division

Quantcast launches an advertising program, letting advertisers find the users they want across the Internet http://j.mp/cEl15W »

Yelp hit with class-action extortion suit over strong arming businesses that want negative reviews removed http://j.mp/aU7lOn »

According to AddThis, sharing through Google Reader is up 35% since launch of Buzzhttp://j.mp/9fS6yg »

In a sharp turnaround, online display advertising grew 13% in the fourth quarter for the Washington Post http://j.mp/bOGbZW »

Yahoo announces partnership with Twitter. Plan will let users post and read tweets without leaving Yahoo http://j.mp/aAwCcI »

Joshua Benton

PressPad, an attempt to bring some class diversity to posh British journalism, is shutting down

“While there is even more need for this intervention than when we began the project, the initiative needs more resources than the current team can provide.”

Richard Tofel

Is the Texas Tribune an example or an exception? A conversation with Evan Smith about earned income

“I think risk aversion is the thing that’s killing our business right now.”

Jeff Jarvis

The California Journalism Preservation Act would do more harm than good. Here’s how the state might better help news

“If there are resources to be put to work, we must ask where those resources should come from, who should receive them, and on what basis they should be distributed.”