Friday, April 13th — How to Decide What to Build, a new $300 Hep C cure, and the mystery behind how birds navigate might now be solved

Summary: Today we're covering A $300 hepatitis C cure The New York Times' new text editor for their newsroom Y Combinator partner Daniel Gross on “How to Decide What to Build” Duolingo, the language learning company, released lots of new material And finally, The mystery behind how birds navigate might now be solved