[MetricMike]

The dichotomy is what's dangerous. Address Book looks like an book, so I'll try to interact with it like that. When that doesn't work, I get confused, angry, and it's generally a "failure" from a UX point of view.

Neither form of skeuomorphism is inherently bad, but it's easier to shoot yourself in the foot and ruin the UX when you move from decorative to functional.

[eridius]

Yes, I get the complaints about Address Book. But "page flipping in an e-book" is either really poorly written, or was not referring to Address Book to begin with, since Address Book is not an e-book. Hence my question.

[feverishaaron]

Indeed, they were intended to be separate examples.