I keep a personal library (of physical books) for this reason. People often underestimate the value of spacializing knowledge. I write in the margins, mark them up, and leave scraps of paper with notes. Then I put them on shelves in broad categories - for me that’s things like architecture, design, technical, photography, philosophy. The result is a system thats’s easy to retrieve from, and importantly, easy to browse. The spines become symbols for collections of thought. I have yet to come across a piece of software that more effectively facilitates drawing inferences and connections from deep material. IMHO everything else can be found on Google.
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cameron913
camerongarrett.com
It certainly isn't a scientific study but it does bring attention to the expanding breadth of the platforms involved in public discourse. How do you solve the problem of a fabricated public? That aside from the business and technical problems faced by the likes of amazon, facebook, twitter etc. regarding faked personas. I personally find it troubling because it is just these kinds of issues which provide the best fodder for those who view anonymity as a liability.
A talk on the book in question (as well as audio) can be found here: http://cyber.law.harvard.edu/interactive/events/2012/12/craw... and if you prefer YouTube, here: http://www.youtube.com/watch?v=7R4xhwy-1oI It's a pretty good overview of the American broadband infrastructure problem.