Issue 21 1st April 2016 Good thinking How Much Would It Cost To Be Batman? iflscience.com Why I’m teaching prisoners to code ted.com The ultimate roundup of British April Fools' Day 2016 pranks mashable.com Good writing My Year in Startup Hell at Hubspot fortune.com Good music New Order's "Blue Monday" Played with Obsolete 1930s Instruments openculture.com