1. Co-chief Eric Eldon leaving TechCrunch (Sam Biddle / Gawker)
2. Nook sales crashed by over 66 percent during 2013 holiday season (Cyrus Farivar / Ars Technica)
3. Gabriel Snyder, former editor of The Wire, joins mobile news start-up (Ravi Somaiya / New York Times)
4. Contributoria founders on their open community for crowdfunding journalism (Mathew Ingram / Gigaom)
5. TV viewers aren’t thrilled with second-screen synchronized content, study finds (Todd Spangler / Variety)
6. Washington Post ‘most popular’ US newspaper on Twitter in 2013 (Abigail Edge / Journalism.co.uk)