Day 1 – Write a notification for a passenger of a canceled flight from the airline’s application with instructions. Day 2 – Create a welcome page with Promotion offers when registering for the delivery service with vegetables. Day 3 – Notification for a graphic designer whose phone is switched off during his work and thus his work is interrupted. Write instructions on what he should do so that he does not lose his data. Day 4 – Warn the driver that there is a widespread fire in the area of ​​his destination, somewhere on his route. Day 5 – How to quickly inform a sports fan about the game status and about key players.