The Society of the Spectacle by Guy Debord

Partially Examined Life podcast did an episode recently on the book. The ideas are related, not quite the same.

Contra another commenter, I don't think it's easy to separate Marxist critique of capitalism from spectacle / simulation replacing reality - I do believe that capitalism is responsible for the alienation, the alienation doesn't just apply to the labourer and his output, but also to consumers and what is consumed.