Virtual reality (VR) is a technology that creates a simulated environment, typically experienced through a headset or other wearable device. VR is used in many applications, such as gaming, education, and training. Popular VR platforms include Oculus VR, HTC Vive, and PlayStation VR. Take a look Big data refers to the large and complex data sets that are too difficult to process using traditional data processing techniques. Big data is characterized by the 3 Vs: volume, variety, and velocity. Big data is used in many applications, such as marketing analytics, fraud detection, and recommendation systems. Popular big data frameworks include Hadoop, Spark, and Kafka.