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The most immersive virtual reality experiences often use a PC , VR headset, and software.
The latest version of some headsets can be used without an accompanying PC but a
PC will be needed to update the headset software. Handheld controllers can also be added
for additional control over the virtual environment. These VR devices can track a user's movement, called "positional tracking", within a space - a feature not available when using VR apps and a smartphone.
The healthcare industry is developing applications and uses for these types of devices.
Some areas of high development are PSTD treatment, anxiety disorder treatment, and pain management.