The thing that will change everything - Interesting blog post about how 'marketing and advertising people always overestimate the impact of new things and always underestimate the power of traditional consumer behavior.'

Such as:

We love new things and hate old things. Just look at the advertising we create.
People over the age of 50 control 77% of the wealth of this country. Please show me one Super Bowl ad this year that was directed at them.
The average American buys 13 cars in his lifetime -- 8 of them after the age of 50. When is the last time you saw an old person in a car ad?