Big data is a term used to describe large, complex data sets that cannot be processed by traditional data processing systems. Big data is used in many applications, such as predictive analytics, fraud detection, and personalized marketing. Popular big data platforms include Hadoop, Spark, and Cassandra. Boxing Augmented reality (AR) is a technology that superimposes digital content onto the real world, using devices such as smartphones, tablets, and glasses. AR is used in many applications, such as gaming, education, and retail. Popular AR platforms include Apple ARKit, Google ARCore, and Microsoft.