Everyone knows everything

I've been thinking a bit about social media, the internet, Twitter, hyperconnectivity, Facebook, et al. and it occurs to me that all of these things are allowing us to learn a lot about a lot of different things. We are becoming more well-informed. As we learn to process the endless streams of data coming in through our computers and Blackberries and cells, is it possible that we'll grow our brains as well?

I have done some study in linguistics (undergrad), and the link between language/information and brain size is an interesting bit of science that we haven't been able to figure out just yet. Did the need for more complex language make the brain swell, or did the brain swelling enable more complex language? Chicken or egg?

If we are evolving to handle massive data streams, fine. But I'm wondering where this new "knowledge" fits into the grand scheme of things? What's the difference between being "smart" and being "well-informed?"

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