If this, then that. Use simple conditional statements to automate internet-related tasks. Quite a cool idea, but I like to keep my online self sparse and localized; imagine having to maintain all that crap?
For some other useful webtools:
Google Correlate is a new Google Labs product. You can view strong correlations to a given query over time or by state. More usefully, you can input your own data set (like a drawn curve) to compare against.