The best stories across the web on media and technology, curated by Leandro Oliva.

1. Why Social-Media Shaming Is OK (BuzzFeed)

2. How Facebook’s new sound notifications could boost engagement (ReadWrite)

3. LazyTruth tackles false claims in email chain letters (NiemanLab)

4. Incubator Science cracks the Pinterest code with new analytics tool (VentureBeat)

5. Kickstarter-backed journalism startup Matter publishes its first story (paidContent)