It’s called data mining ... Sifting public data sources with super computers. And it should be illegal.
Imagine if Bush had proposed tapping into the public communications of everyone ... there would be hell to pay. Heck when Bush was just searching the newspapers the roof came down on him ....
Now? ... chirp chirp ... anyone
Well, my website has a twitter account and yesterday I got an email saying the WH was now following us...now I know why....the WH account looked like it had just been opened.