1. Tumblr abruptly closes down its Storyboard project (PaidContent.org)
2. Why Yahoo really bought Summly (Business Insider)
3. Aereo has TV networks circling the wagons (NYT)
4. The disruptive potential of native advertising (Reuters)
5. CourseSmart e-textbooks tell teachers if students do their reading (NYT)
6. The new résumé: It’s 140 characters (WSJ)