Virtual Reality (VR) is an immersive technology to simulate real or imaginary environments and situations with a high level of realism and interactivity. Users need to wear a VR glasses in order to undergo the experience. They can choose from one of the hardware pieces available, as explained bellow:    

Oculus Rift is the leading Virtual reality headset in market. This is the high-end solution powered by computer that delivers the best VR experience to date. Average hardware cost including all the elements needed to operate it is about US $3.000. This is a cost-effective solution for training facilities and marketing events.  

Samsung Gear VR is a piece of hardware powered by Oculus in partnership with Samsung. This hardware solution works with Samsung’s S7 Phone plus a plastic headset. Average hardware cost is US $1.100. This is a cost-effective solution for marketing events where the goal is to show content to a large group of people aiming at a similar visual quality than that of the Oculus, but without its interaction capabilities.

Google Cardboard is a low-end solution. It only needs a phone with Gyro and a cardboard box with lenses that serves as handset. Average cost is US$15 + app user cellphone. This is a cost-effective solution to reach a large number of people at the expense of interaction and visual quality. Users only need to download app and google play and insert the phone into the cardboard.    

Augmented Reality (AR) is the integration of digital information with live video or the user's environment in real time. Reality gets enriched by digital content via smartphone app or mixed reality hardware such as Microsoft’s Holo Lens.    

Augmented reality via App: