Data science is the interdisciplinary field that uses scientific methods, algorithms, processes, and systems to extract insights and knowledge from structured and unstructured data. It involves data collection, analysis, interpretation, and visualization to support decision-making and solve complex problems across various domains.

Becoming a data scientist involves a combination of education, skills development, and practical experience. Here's a straightforward roadmap in 7 key points:

1.   Educational Foundation: Start with a strong educational foundation. Typically, a bachelor's degree in a quantitative field like computer science, statistics, mathematics, or engineering is recommended. Some data scientists also have backgrounds in economics or social sciences.
2.   Master Programming Languages: Learn programming languages essential for data science, such as Python or R. These languages are widely used for data manipulation, analysis, and visualization. Familiarity with libraries like Pandas, NumPy, and Matplotlib in Python is crucial.
3.   Statistics and Mathematics: Develop a solid understanding of statistics and mathematics. Concepts like probability, hypothesis testing, and linear algebra are integral to data analysis and machine learning. Online resources and courses can help you grasp these fundamental concepts.
4.   Data Manipulation and Cleaning: Learn to work with real-world data. Practice data manipulation and cleaning techniques as messy data is a common challenge in data science. Proficiency in SQL for database querying and data retrieval is also valuable.
5.   Machine Learning Fundamentals: Gain knowledge of machine learning algorithms and techniques. Start with the basics, such as linear regression and decision trees, and gradually delve into more complex algorithms like random forests, support vector machines, and neural networks.
6.   Projects and Portfolio: Hands-on experience is essential. Work on personal projects or participate in online platforms like Kaggle to solve real-world data problems. Building a portfolio showcasing your projects demonstrates your practical skills to potential employers.
7.   Continuous Learning and Networking: Data science is a rapidly evolving field. Stay updated with the latest trends, tools, and techniques. Engage in online communities, attend conferences, and follow influential figures in the data science space. Networking can open doors to opportunities and collaborations.

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Remember that becoming a data scientist is a journey that requires dedication and continuous learning. Each person's path might vary, so adapt these steps to your strengths and goals. Building a strong foundation, mastering key skills, and gaining practical experience will set you on the right track to becoming a successful data scientist.