> For the complete documentation index, see [llms.txt](https://univrsitys-organization.gitbook.io/univrsity-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://univrsitys-organization.gitbook.io/univrsity-whitepaper/2.md).

# 2

As with any technology purchase, understanding what options are available in the market, what each system can do, their advantages, limitations and their costs, are the key aspects to helping guide you towards the most effective solution to implement. Below is a summary of the main, commercially available VR systems at the time of writing: