Larger zoos employ behaviouralists to think up ways of keeping animals mentally alert.

ECONOMIST: From zoo cage to modern ark

"I can think of a number of ways people can get hung up in this debate, " Lugar says.

CNN: Clinton And Yeltsin Agree To Disagree

And now we have to think of different ways to keep the pressure up.

NPR: L.A. Activists March for Immigration Bill

Nevertheless, what is also true, though, is just their general costs of operating have gone up in ways that I think we can improve.

WHITEHOUSE: "White House to Main Street" Town Hall: Elyria, OH

It forced them to stop and think, inventing smart new ways to promote their products and services on the streets without covering up the beautiful architecture of the city.

FORBES: No Billboards, No Outdoor Advertising? What Next?

Both Big Data believers and skeptics think large firms will need teams of three to ten analysts to bring together the expertise needed to understand their data, think up innovative ways to use it, select the hardware and software and write the programs to get the information business users need.

FORBES: Big Data Needs Data Scientists, Or Quants, Or Excel Jockeys