Hacker News on 21 July 2013

• Riding the New Silk Road
• Ideas for Computing
• Existential Depression in Gifted Children
• Apple Developer Website Update
• 'Crack baby' study ends with unexpected but clear result
• SIM Cards Have Finally Been Hacked, and the Flaw Could Affect Millions of Phones
• Apple Developer Center still down
• My Summer Reading List
• Localtunnel: instantly show localhost to the rest of the world
• 3D printing will explode in 2014 thanks to the expiration of key patents