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Data can be collected from different places. Let us learn some
common sources of data:

Sensors: Devices that collect real-time data. They are used in
industries, healthcare and smart homes. Example: temperature
sensors, motion sensors.

Social media: Social media platforms like Facebook, Twitter

and Instagram generate large amount of data. This data is
helpful to understand how people feel about a topic or product.
Example: Do people like or dislike a new movie?

Surveys and polls: Data is collected directly from the people.
Example: A customer feedback survey.

Apps: Apps collect data by tracking what users do. For example,
a fitness app tracks how many steps you take in a day.

Examples: fitness and shopping apps.

PRIVACY PRACTICES

When working with data, always ensure that people’s personal information is protected,
especially when collecting responses for surveys or projects.

APPLICATIONS OF DATA SCIENCE

Let us understand the applications of Data Science:

Business: To improve customer experience, predict sales
trends and optimise supply chains.

Healthcare: To predict disease outbreaks, recommend treatments
and improve patient care.

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