The practice isn't new. The article says Jonathan Yardley of The Washington Post, in 1982 panned Shirley Conran’s “Lace” — calling it a “schlock novel” written with “transparent and exquisite cynicism” — contained the following sentences: “Conran knows all the names, brand and otherwise, and she certainly knows where and when to drop them. ‘Lace’ doesn’t sink under the weight of them, it soars — right up into the same stratosphere where you’ll find ‘Valley of the Dolls’ and ‘Scruples.’ ” "Sleepily pawing through the newspapers after the review ran, he was startled to come across an advertisement for the novel emblazoned with the following testimonial: " 'It soars!' — Jonathan Yardley, Washington Post.""
Read more here. Do you have any good examples of misblurbing?