An article in Nature News, Best face forward, explains how not just to keep track of your online presence, but to take more control over it.
Most interesting is the mention of a private company that will do this for you:
Online Reputation Manager, headquartered near Rochester, New York, is a company that uses search-engine optimization strategies to repair the online image of clients who have been besieged with unfavourable press.
Here's a new sub-field within Public Relations I hadn't heard of before. Know any other similar companies? Please let us know in the comments.