Hacker News on 12 June 2016

• In poor neighborhoods, McDonald’s have become de-facto community centers
• All the lonely people
• Baby Steps: Slowly Porting Musl to Rust
• Walmart Canada stops accepting Visa cards
• A SoundCloud client in React and Redux
• Snowden reveals GCHQ spy programme with link to Scottish police
• How to spy on a Ruby program
• Machine learning for financial prediction
• Implementing your own recommender systems in Python
• United States of Paranoia: A growing tribe of troubled minds