Bear in mind, Doctorow is a noted privacy advocate and copyfighter (which basically means he thinks business and government should know almost nothing about you, but that you should have access to every shred of data held by business or the government—and that almost no information should be proprietary). His political lens is rather specifically focused, and the story shows it, buts that in no way prevents "Scroogled" from spinning an entertaining yarn. Whatever your politics, it's worth a read—especially at this price.
If the story really speaks to you, you might want to take a gander at GoogleWatch, a self-styled Google watchdog group that fears the power the world's leading search engine already holds, and seeks to gain. It's a little black-helicoptery, but that's not to say they're wrong.