The tutorial guides users in building a WhatsApp chatbot to backup pictures from the app to Dropbox using Python, Flask, Twilio, and ngrok. The bot receives incoming messages, checks if they are images, and saves them to a specific folder on Dropbox based on the sender's phone number. The bot also responds with a confirmation message when an image is saved or provides instructions for users to access their saved pictures. The tutorial requires users to set up a Twilio account, create a Flask application, and configure ngrok to expose the app to the public internet. It also covers how to use the Dropbox API to upload and share files. The project uses environment variables to store sensitive information like the Dropbox token, making it more secure.