First there was searching. Then there was ego surfing, where one spent time and energy looking to see how big a profile one had on the web. Of course, there was help, with Google alerts and such. Now, as we venture into big data (also known as business analytics), it is no surprise that the introspection angle is coming up. Here’s a nice little piece by Stephen Wolfram documenting what he’s done to analyze his personal big data of the past 23 years.