Hacker News on 31 January 2016

• Introducing Bootstrap Studio
• No POST after rm -rf /
• Pingendo – Free, simple app for Bootstrap prototyping
• UCOP Ordered Spyware Installed on UC Data Networks
• Treasure in a Cornfield
• How to Raise a Creative Child. Step One: Back Off
• Deep Learning Is Easy – Learn Something Harder
• How convolutional neural networks see the world
• Deep Learning Tutorial by Y. LeCun and Y. Bengio
• Ultra-fine particles emitted by commercial desktop 3D printers [pdf]