Hacker News on 6 April 2017

• An off-grid social network
• Twitter refuses US order to disclose owner of anti-Trump account
• A Thank-You Note to the Hacker News Community from Ubuntu
• How Bank of America Gave Away My Money
• Unsupervised sentiment neuron
• Machine learning without centralized training data
• Ride-hailing apps may help to curb drunk driving
• Twitter Sues Federal Government
• Uber said to use “sophisticated” software to defraud drivers, passengers
• FDA Authorizes Ten 23andme Genetic Health Risk Reports