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

1. New code allows websites to opt-out of Pinterest (LL Social)

2. Google adds a ‘share’ box to its homepage (Marketing Land)

3. Forbes among 30 clients using computer-generated articles (GalleyCat)

4. How the U.S. Army became a social-media leader (ReadWriteWeb)

5. The Guardian locks in under-25 audience with Facebook app (Digiday)

6. How the Weather Channel is mastering social advertising on mobile (Lost Remote)

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