The contrast between the glitzy downtown and the " heartlands " is glaring , and more damaging in tiny , dense singapore than it would be in a big country , says paulin straughan of the national university of singapore .
The group 's leader , john paulin hansen , says the software has been used by " nerds who like to play with stuff " to create eye-tracking controls for home appliances and a modified version of " world of warcraft " that quadriplegics can play .
