In a recent New York minute: * The world's largest technology-based stock exchange relocates its headquarters to Times Square.
* Theme park designers premiere a science show inside a new $210-million planetarium.
* Television and publishing conglomerates race to produce "brand experiences" in corporate attractions all across town.
What's going on here?
We're seeing the first signs of an emerging guest-centered economy. It's a new design marketplace, driven by a