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

1. Pinterest revises terms, gives up right to sell content posted on the site (VentureBeat)

2. Bloggers and social media help elevate Trayvon Martin story into national conversation (Poynter)

3. Two big-name entrepreneurs team up to create Airtime, a social-video company (Lost Remote)

4. Leader of Washington Post Live leaves to join D.C.-based digital startup (JimRomenesko.com)

5. Ark.com hopes to become the best place for people searches on the web (TechCrunch)

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