5 photos of emerging tech from Las Vegas NAB show history

2003

A 42″ Zenith Plasma TV. John Gurzinski/Las Vegas Review-Journal

2005

A high-definition 3-D presentation at the Panasonic booth. Joe Cavaretta/AP

2006

Floor plans distributed by Segway. Jae C. Hong/AP

2017

Virtual reality glasses. Elizabeth Brumley/Las Vegas Review-Journal