MongoDB has dominated LinkedIn profiles for the past three years, according to 451 Group's NoSQL Skills Index, which tracks mentions of different NoSQL technologies on LinkedIn. MongoDB University, launched three years ago, has reached 300,000 students with free online courses, and its mobile app allows students to download and watch courses offline. The university offers the opportunity for professionals to learn new skills and advance their careers in big data at no cost, enabling them to launch their next giant idea more effectively. With the launch of MongoDB University Mobile, students can now enjoy courses on-the-go with or without an internet connection.