Read the article and answer ALL questions in this section Most people are familiar with the social networking site Facebook. What many people may not realize is that behind the scenes, Facebook relies heavily on information systems to keep track of all the data associated with its billion-plus users. Facebook has become a juggernaut in the social networking world by amassing a huge user base and providing a platform for people to connect with friends and family members. All of this activity generates a lot of data, which Facebook must manage efficiently in order to keep the site running smoothly. To do this, Facebook uses a variety of information systems. These systems help Facebook track user data, store information, and keep the site running smoothly. User data is the bread and butter of Facebook Without users, there would be no Facebook. Therefore, it's critical for Facebook to have systems in place to track and manage user data. Facebook's user data management system is designed to track data associated with each user, such as their name, contact information, and activity on the site. This system helps Facebook keep track of its users and ensure that their data is safe and secure. In addition to tracking user data, Facebook's information systems also help the company store information Facebook has to store a lot of data, such as user posts, photos, and videos. To do this, Facebook uses a variety of storage systems, such as databases and cloud storage. Facebook's storage systems help the company keep its data organized and accessible. They also ensure that Facebook can quickly retrieve and deliver the data its users need, when they need it Finally, Facebook's information systems help the company keep the site running smoothly. Facebook has a complex infrastructure that must be constantly maintained. To do this, Facebook uses a variety of systems, such as servers, networking equipment, and software. Facebook's information systems play a critical role in supporting the company's operations. They help Facebook track and manage user data, store information, and keep the site running smoothly. Without these systems, Facebook would not be the massive success it is today. Question 3 M-commerce or mobile commerce refers to the purchasing and selling of products and services using mobile phones and other wireless handheld devices. Assess the role of m-commerce in business by highlighting the positive aspects and explain the most important m-commerce applications.