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

1. News Corp.‘s chief digital officer to step down (Huffington Post)

2. Wall Street Journal offers free Wi-Fi in New York City, San Francisco  (Romenesko)

3. Minority hiring in TV news and radio rose in 2012 (Huffington Post)

4. White House commits open source code on Github (O’Reilly Radar)

5. TV Guide launches new app, aims to dominate second screen (Lost Remote)

6. Current TV’s convention coverage will be tweet-heavy (TVNewser)

7. The best social media tools for journalists (Teaching Online Journalism)