This alternative is used because the Videos could not be uploaded directly on WhatsApp for easy access. The presentation is divided in to three parts for the fact that you may only need to go through the Part 1 and 2 once and might spend more time going back and forth with the last video since it demonstrates how the data capturing is done, using the fictitious data created to facilitate the exercise.
Support materials demonstrating how to locate and use resources:
Part 1 of 2.0 - Presentation Part 2 of 2.1 - Installing ODK Par 1 of 2.2 - Capturing Data