1. How the #YesAllWomen hashtag began (Pete Pachal / Mashable)
2. An interview with Walt Mossberg and Kara Swisher (Jay Yarrow / Business Insider)
3. A platform and blogging tool, Medium charms writers (David Carr / New York Times)
4. Twitter, Facebook battle YouTube for video ad cash (John McDermott / Digiday)
5. Twitter to release all tweets to scientists (Melinda Wenner Moyer / Scientific American)