CHICAGO (AP) -- Picture this.
It's Opening Day 2050 and you are at Tomorrow Park cheering on your favorite team against the dreaded Cubs as they begin yet another championship defense.
You peer out toward the giant video board to catch a replay of a dazzling catch, only this isn't one of those steel monoliths. It's a hologram, and when the game's over, it goes away.
Sound far-fetched? Well maybe not with the major role technology is playing in the way ballparks are designed these days.
''The market is changing on an almost annual basis, especially with the technology,'' said Earl Santee, founder of architecture firm Populous.