Writers are vital to today's increasingly story-driven video games. Readers are active players and everything in the game – from the environment to the rules – can shape the narrative.
From Twitter, to Facebook, to online gaming; radical groups use a vast range of tools to recruit new followers to their causes.
The human psyche loves a challenge as well as a pat on the back for achievement. Pervasive computing taps into these drives to 'gamify' aspects of life that are typically not games or even much fun.