Images from Battle of Ideas 2015.
Thanks to James Berry, Paul Brocklehurst, Lameya Chaudhury and Tom Fenn for the pictures.
Tweets by @instofideas
Is voluntourism doing any good? No!, Kate Simpson
Book review: Death by Video Game, Carl Miller
Cyber Warfare: The Modern Cold War?, Peter Armstrong
In Praise of Blockbusters, Richard Lacayo
Are Western Values Losing Their Sway?, Steven Erlanger
Does London Really Want To Be A 24-Hour City?, Richard Brown
Active video gaming compared to unstructured outdoor play, University of Tennessee at Knoxville
ISIS's very modern war on the past, Frank Furedi
You've Got an Attitude, Paul Mattick