I often wonder what's behind the increased trend behind Hadoop and other NoSQL technologies. I realize if you're Yahoo that such technology makes sense. I don't get why everyone else wants to use it.
Reading Stephen O'Grady's self-review of his predictions for 2010 for the first time gave me some insights into how such people think:
Democratization of Big Data
Consider that RedMonk, a four person analyst shop, has the technical wherewithal to attack datasets ranging from gigabytes to terabytes in size. Unless you’re making institutional money, budgets historically have not permitted this. The tools of Big Data have never been more accessible than they are today.