trent44 on 24 January 2012
They should include a multi-touch pad on the back of the DS4 with haptic feedback that simulates in-game surface textures.
Here is a bit on the tech:
http://www.theverge.com/2011/12/2/2605173/senseg-tactile-display-technology-tablet-demo-video
This would certainly allow for a new dynamics of play.
Though design wise, they may have to sacrifice L2 and L3 to make the number of controller inputs manageable (which would be fine).
