Display: A House Of Cards

Despite its dismal track record, spending on display advertising keeps growing at an astonishing rate. Forrester Research is projecting a 17% compound annual growth over the next 5 years.

As far as I'm concerned, it's a house of cards. And if the house goes down, it will take a lot of advertising-supported online businesses with it.

Here are some reasons I believe display is a house of cards: