2.1. How does AI work? 
What types of data do you think YouTube is using?
Select all that you think is correct.
| Your watch history (videos you have watched before) | |
| Your search history (what you have searched for) | |
| Your liked videos (videos you have given a thumbs up to) | |
| Your comments on videos | |
| The time you spend watching videos | |
| The time of day you usually watch videos | |
| The device you are using to watch videos |
Read each statement below. If the statement is correct, circle ‘True’, and if the statement is incorrect, circle ‘False’.
- YouTube’s suggestions remain the same whether you are signed in or True or False

- The change in YouTube’s suggestions when signed in shows that AI depends a lot on user data. True or False
