I haven't gotten to the code yet; but the linked video is utterly fascinating. (Also, a little frustrating. I keep wanting to zoom in to look at the details :)
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
In the absence of evidence, opinion is indistinguishable from prejudice.
Suck that fhit