The best stories across the web on media and technology, curated by Lily Leung

1. Remembering writer and humorist Nora Ephron (New York Times)

2. CNN’s ratings hit 21-year low during the second quarter (Hollywood Reporter)

3. Apple creates stand-alone app for podcasts (VentureBeat)

4. Advertisers mixed about the effectiveness of Facebook ads (AllThingsD)

5. The iPhone turns 5. Here are some of its successses (Business Insider)

6. The secret behind BuzzFeed’s blockbuster web success (Slate)