They're the most prolific internet crawlers anyway. The Pandora's box of my personal information is blown wide open (to them), so I'm just trying to contain the blast. They also have my search history, which is a better diary than I could ever purposefully write.
Information becomes more powerful when you connect all the dots together. Hence, it is better to divide information among services, so they all know a bit, but cannot decipher the "big picture".
They're the most prolific internet crawlers anyway. The Pandora's box of my personal information is blown wide open (to them), so I'm just trying to contain the blast. They also have my search history, which is a better diary than I could ever purposefully write.