While virtual reality (VR) was once one of the hottest topics in tech, it has taken a backseat to other emerging technologies at CES 2019. This is due to a number of factors, including:

1. VR headsets are still too expensive. VR headsets can range in price from a few hundred dollars to over a thousand dollars. This makes them unaffordable for many people.

2. VR content is still limited. There is not a lot of VR content available, and what is available is often expensive. This makes it difficult for people to justify the cost of a VR headset.

3. VR headsets can be uncomfortable to wear. VR headsets can be heavy and uncomfortable to wear, especially for long periods of time. This can make them a less desirable option for gaming and other activities.

4. VR headsets can cause motion sickness. VR headsets can cause motion sickness in some people, especially those who are prone to it. This can make VR a less enjoyable experience for some people.

5. VR is not yet practical for everyday use. VR headsets are not yet practical for everyday use. They are bulky, expensive, and can cause motion sickness. This prevents them from being used as everyday tools.

As a result of these factors, VR has taken a backseat to other emerging technologies at CES 2019. However, VR is still a promising technology with the potential to revolutionize how we interact with the world. As the technology advances and becomes more affordable and comfortable to use, VR is expected to become more popular in the future.