1) Defining your own data requirements:
Clearly identify the key issues and critical business issues to be solved. What is important to your business? A successful strategy begins with clear and precise goals, as well as with a number of key performance indicators.
2) Finding the Data Source:
Analyze what is missing to ensure that your data meets your requirements and where you can collect such data. Most likely, you will need to collect different types of data for different purposes.
3) Taking into account the needs of the technological infrastructure:
First of all, data need to be structured for further processing and analytical evaluation. Your data infrastructure needs to be flexible enough to meet future needs. To do this, consider the following factors: integration, data storage, detailing, privacy and data protection, analytics tools etc.