This is a summary of the text in one paragraph: You will learn how to build a feedback collection app using SendGrid, Node.js, and React. The tutorial guides you through building both the backend and frontend components of the app, enabling seamless data storage and retrieval from MongoDB. You'll create essential React components such as a FeedbackForm component for user input, a Modal component for displaying success messages, and implement feedback submission logic using Axios. The app will send acknowledgment emails to users and notifications to support teams via SendGrid. By the end of this tutorial, you'll have built a robust application that combines user-friendly interfaces with efficient data management, making it an effective tool for gathering valuable insights and opinions from users.