Here is a repost of the piece we did way back when. More relevant today than ever as data and news have grown exponentially over the past few years.
To help you sift through the data:
The pace of data creation on the Internet is growing at an exponential rate. In any 48-hour period in 2010, more data was created than had been created by all of humanity in the past 30,000 years, according to a presentation by entrepreneur Yuri Milner. – WaPost
Why do we blog? To discipline our thoughts and sharpen our framework of how we see the world.