1. Before Facebook deal, WhatsApp was helping BuzzFeed and Shazam go viral (Liz Gannes / Re/code)

2. Om Malik joins True Ventures, steps down at tech site Gigaom (John Biggs / TechCrunch)

3. ‘House of Cards’ binge-watching: 2% of U.S. subs finished entire series over first weekend (Andrew Wallenstein / Variety)

4. For Ukraine and Venezuela, social media is the only media that matters (Mathew Ingram / GigaOm)

5. Contributoria Q&A: how the first month went (Henry Taylor / TheMediaBriefing)

6. Mapping Twitter topic networks: From polarized crowds to community clusters (Pew Research)


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