What we are listening to: Jason Hirschhorn, Media ReDEF

This is the latest edition of our new “What we are listening to” series. Last month, Om Malik checked in with Sincerely CEO Matt Brezina and Bijan Sabet of Spark Capital. My first query went to Jason Hirschhorn, the founder of news curator Media ReDef who meshes his passions for music, tech and gadgets across social media. Jason got his start as a teen event entrepreneur, sold a network of music...