The Common Data Project surveyed the online privacy policies of the largest internet companies. Their conclusion:
We realize that most users of online services have not and never will read the privacy policies so carefully crafted by teams of lawyers at Google and Microsoft. And having read all of these documents (many times over), we’re not convinced that anyone should read them, other than to confirm what you probably already know: A lot of data is being collected about you, and it’s not really clear who gets to use that data, for what purpose, for how long, or whether any or all of it can eventually be connected back to you.
How does your company’s privacy policy stack up?