We don't have to go back to the Dutch Tulip Mania in 1636 & '37, or the South Seas Bubble in the early 1700s, to know that markets can be wrong. In my humble business lifetime we have had the Internet stock bubble, and the market gave us a housing bubble. Gas station attendants got mortgages to buy McMansions. Math geniuses made presentations at investment conferences on how data about past default experience proved the default rates would be low and the returns would be high.
Question from a buyer: With viewable impression standards coming as a soon-to-be reality, why would premium sites even have "run of site," as the ROS impressions go into the exchanges for real-time bidding anyway?