[Simplilearn] Introduction to Data Science for Beginners

This Data Science tutorial will help you in understanding what is Data Science, why we need Data Science, prerequisites for learning Data Science, what does a Data Scientist do, Data Science lifecycle with an example and career opportunities in Data Science domain.

Source: https://www.youtube.com/watch?v=KxryzSO1Fjs

[Hitesh Choudhary] Machine Learning and Data Science

Companies like Facebook, Google and Amazon have got a lot of data about us. Even the small companies have got a lot of data like signup information, number of logins, Product purchase, products that we are looking for. All this data can be processed and can give any company a boost in productivity and increase in sale.
That is why machine learning is growing so fast.

Companies can offer amazing features like quick replies that are context based in Gmail, Uber driver arrival time or time to reach at the destination via Google maps, self-driving cars etc. This is just a start of machine learning and power of data science.

Source: https://www.youtube.com/watch?v=vG8etlO2uq8