The Peep Diaries is described as a “bracingly informal book” in a 5 book essay/review that appeared in the recent issue of the London Review of Books. Check out the whole piece here. The other books discussed are

The Accidental Billionaires: Sex, Money, Betrayal and the Founding of Facebook by Ben Mezrich
The Young and the Digital: What the Migration to Social Network Sites, Games and Anytime, Anywhere Media Means for Our Future by Craig Watkins
Stealing MySpace: The Battle to Control the Most Popular Website in America by Julia Angwin
The Tyranny of Email: The Four Thousand Year Journey to your Inbox by John Freeman