Popular on Twitter: Mark Luckie held at ransom, Deal Book is new and improved, Shirky on paywalls

[Early every afternoon Eastern time, we’ll be highlighting the most-talked-about links in the future-of-news corner of Twitter. What are news nerds buzzing about? Here are today’s top 10, gathered via The Hourly Press. It’s like being on Twitter all day, without actually having to be on Twitter all day. —Josh]

Clay Shirky on newsletters and paywall economics

Holding the powerful accountable through Q&A

Northwestern’s Medill is going on a hiring bender

Protected speech and criticizing your boss

The wholesaling vs. retailing worlds of nonprofit news

WaPo promotes its iPad app with newsroom stars

Join Columbia for an all-star media panel

NYT’s DealBook is new, improved and very cool

Mark Luckie is held at ransom

Sarah Scire

Seeking “innovative,” “stable,” and “interested”: How The Markup and CalMatters matched up

Nonprofit news has seen an uptick in mergers, acquisitions, and other consolidations. CalMatters CEO Neil Chase still says “I don’t think we’ve seen enough yet.”

Jonathan Stray

“Objectivity” in journalism is a tricky concept. What could replace it?

“For a long time, ‘objectivity’ packaged together many important ideas about truth and trust. American journalism has disowned that brand without offering a replacement.”

Renee DiResta, Abhiram Reddy, and Josh A. Goldstein

From shrimp Jesus to fake self-portraits, AI-generated images have become the latest form of social media spam

Within days of visiting the pages — and without commenting on, liking, or following any of the material — Facebook’s algorithm recommended reams of other AI-generated content.