Hacker News on 23 January 2015

• What should I do about YouTube?
• Diagnostic page for Google.com
• “I paid $25 for an Invisible Boyfriend, and I think I might be in love”
• The Clock
• Google discloses three severe vulnerabilities in Apple OS X
• The Emularity
• Lars Andersen: a new level of archery [video]
• Show HN: LibreBoard – An open-source clone of Trello
• Microsoft acquires Revolution Analytics
• Winklevoss Twins Aim to Take Bitcoin Mainstream with a Regulated Exchange