George Jetson worked at Spacely's Space Sprockets -- but where will you toil in 2025?

Knowledge workers already have some pretty futuristic tools -- think the Siri voice app on an iPhone or the automatic parking feature in that business sedan you drive to the office. Yet in the future, jobs will become even more high-tech, and jobs themselves will transform dramatically.

Here are six jobs that don’t exist today, which experts say we may see pop up sometime in a decade or so. Is it time to start polishing up that resume now?