ex post facto

The availability of all kinds of new data will change the way most people do their jobs in the next ten years. The NYTime has a report on Big Data that points to the fundamental reason for this change: the capacity to measure many more things.

To grasp the potential impact of Big Data, look to the microscope, says Erik Brynjolfsson, an economist at Massachusetts Institute of Technology’s Sloan School of Management. The microscope, invented four centuries ago, allowed people to see and measure things as never before — at the cellular level. It was a revolution in measurement.

Data measurement, Professor Brynjolfsson explains, is the modern equivalent of the microscope. Google searches, Facebook posts and Twitter messages, for example, make it possible to measure behavior and sentiment in fine detail and as it happens.

In business, economics and other fields, Professor Brynjolfsson says, decisions will increasingly be based on…

View original post 128 more words