aggregation
Is the social web reducing our access to information?
I find this a far more frightening talk than the cheery presentation would suggest. Is algorithmic personalisation weeding out challenging content from our news flows? Are web companies pandering to that part of ourselves that prefers non-challenging information? [[via Andrew Sullivan](http://andrewsullivan.thedailybeast.com/2011/05/a-tailored-internet.html)]