In modern politics, polls often serve as the canary in the mine - an early warning signal of danger or trends. But polls can also be used to wag the dog - diverting attention from something significant.
Today, blood work and science are able to provide more of a movie of your health, identifying trends before they become an issue.
The press Yazoo were receiving were focused on the voice, This obviously was about trends.
And this is one way to do technology forecasting; get a sense of where technology is, and then anticipate the next upturn.
I think the rising and falling popularity of areas like hard SF and far-future SF is, to a considerable extent, the same as any other fashion.
I have been a close observer of campaign trends.
I think we have a great track record on being relevant, on identifying consumer trends, needs and wants.
We absolutely look at larger trends and reactions on Twitter here at the White House.