Companies often rely on business intelligence to stay competitive. Business intelligence can provide valuable insight such as consumer buying habits and market trends. The underlying technology that makes business intelligence possible is advanced database systems. The database ecosystem includes technologies such as database management systems, data warehouses, data marts, data mining, and analytics. Also, the concept of Big Data is paving a new path in the arena of business intelligence. Many large organizations such as Walmart are using Big Data to gain market insight which would not be possible using traditional databases.Another key technology upon which many other applications depend on is Networking technology. Advanced networks make the internet possible and provide an underpinning for a revolution in communications. High speed networks offer greater capacity that can be used for bandwidth intensive applications. One such application is Unified Communications.Unified Communications allows companies to merge disparate modes of communication into a single service. It facilitates increased collaboration and promises to achieve productivity gains and drive down cost. The software integrates telephony, email, instant messaging, faxing, voicemail, video and audio conferencing into one seamless interface over the same data network.The video below highlights Walmart’s use of Big Data & the Internet of Things (IoT):How Walmart is using Big Data and IoT https://youtu.be/42xErufN1e8 Watch the videos & answer these questions (include at least 2 references):(Note: 500 words exclusive of references) 1) What is Big Data & IoT? Why is Walmart capturing store data from IoT devices?2) Describe some of the IoT devices shown in the video.3) How can store customers, marketers, and store managers leverage the insight provided by the data analysis?4) The video posted under the week 3 additional materials section highlights Indiana University’s use of Unified Communications. Why is unified communications a good technology choice for use in a campus environment? https://youtu.be/jCt6KK5VQuQ 5) What features are offered by unified communications? Why is the “presence” feature so important? What does the video say about mobility?6) How does unified communications improve productivity and reduce costs?7) By doing a search of the Internet or by other research methods, find an example of a company that improved their business either by using Big Data or by implementing a unified communications solution.