Daily Must Reads The best stories across the web on media and technology, curated by Julie Keck. 1. Facebook's second big announcement this week: free phone calls for U.S. iPhone users (Fast Company) 2. U.S. Attorney Ortiz defends prosecution of Aaron Swartz (Huffington Post) 3. Voters trust Twitter and Facebook as much as traditional media, according to survey (Politico) 4.