Nieman Lab, The Nieman Journalism Lab at Harvard -- "Trying to figure out the future of news."
Tweet: "'First rule of Newspaper Pay Wall Club...' Some great reaction tweets to our news about the NAA meeting http://ff.im/3lNDY"
John Battelle, founder and chairman-CEO of Federated Media
Tweet: "Carol bartz on yahoo search -- if the right thing comes along sure we'll sell (to msft)"
Jennifer Preston, just named the first social-media editor at The New York Times
Tweet: "Hi, I'm the NYT's new social media editor. More details later. How should @nytimes be using Twitter?"
Mark Cuban, owner of HDNet (and the Dallas Mavericks)
Tweet: "To answer the questions, Im not looking to buy any new sports teams, and if the Cubs come back up, I would not re-bid."
Paula Drum, former chief marketing officer at H&R Block
Tweet: "G1 updated. really like some of the features"
Richard Ting, VP-executive creative director, mobile and emerging platforms, at R/GA
Tweet: "P&G does great aggressive mobile. Other CPG co's need to take notice. P&G's Gillette seeks close shave with mobile. http://bit.ly/aopYY"
Mrinal Desai, co-founder and VP-sales and business development at CrossLoop
Tweet: "Roger mcnamee - apple is practically a monopolist #d7"
David Berkowitz, emerging-media director at 360i
Tweet: "My Google Wave Limerick will ensure Google never lets me try it (apologies to Irish or poet followers) http://bit.ly/urdRd"
Amy Worley, VP-marketing at Andrews McMeel Publishing
Tweet: "I check out every new follower & decide if I want to follow back. It's time consuming, but helps me keep context & purpose here."
Charles Arthur, technology editor at The Guardian
Tweet: "Fascinating how American analyses of what's happening to journalism and papers completely ignore countries that aren't the US."
Brian Lam, editorial director at Gizmodo
Tweet: "glad to be home from D. highlight: zune hd surprise sighting. lowpoint: being growled at by mossberg. Again."
Chris Anderson, Wired magazine editor
Tweet: "Terrifying thing I just heard: at any party, ask how many people there believe in ghosts. More than half will say they do. Can this be true?"
Soraya Darabi, manager of partnership, multimedia and buzz marketing for The New York Times and NYTimes.com
Tweet: "Ann Derry, exec. director of video for @nytimes is doing a Q&A online. Ask her anything"
Sree Sreenivasan, Columbia Journalism School professor and "technology evangelist/skeptic"
Tweet: "was offline for 5 days (most in 15 years). some of you spotted my tweets, which I post-dated to appear automagically via @hootsuite."
Fred Wilson, managing partner of two venture-capital firms, Flatiron Partners and Union Square Ventures
Tweet: "OH: 'I used to follow him, but he twitters too much.' oh, and this is my 5,000th twitter. is that too much?"