Five Sci-Fi Scenarios That Will Come True

Predicted technological advances may look great in the movies, but what about in your living room? Virtual think tank TechCast recently polled hundreds of futurists and technology analysts, and then calculated when emerging technologies are likely to be found in at least 30 percent of U.S. households or businesses. Here are its predictions for five familiar sci-fi scenarios. (Predictions carry a margin of error of plus or minus three years; results are not guaranteed.)

Also see our related story on future technology, "The Next 25 Years in Tech."