In May 2005, the first high definition video conferencing systems, produced by LifeSize Communications, were displayed at the Interop trade show in <answer>Las Vegas, Nevada</answer>, able to provide video at 30 frames per second with a 1280 by 720 display resolution. Polycom introduced its first high definition video conferencing system to the market in 2006. As of the 2010s, high definition resolution for videoconferencing became a popular feature, with most major suppliers in the videoconferencing market offering it.
Where was the first HD video conferencing system displayed?
Las Vegas, Nevada