A CSMonitor article says that "US plans massive data sweep."
The US government is developing a massive computer system that can collect huge amounts of data and, by linking far-flung information from blogs and e-mail to government records and intelligence reports, search for patterns of terrorist activity.
My first impression was, this was not being done now?
Found by way of Search Engine Watch Forums it looks like the folks in the forums are not too happy about this, as you can image.
That gives me goosebumps...and not in a good way