This guide provides an overview of using Apollo Client with Next.js for data fetching in three different modes: static rendering, server-side rendering, and client-side rendering. It covers the benefits and tradeoffs of each approach and demonstrates how to configure Apollo Client for each mode. The guide starts by explaining the basics of data fetching options in Next.js and then dives into setting up an app with Apollo Client. It shows how to use Apollo Client for statically rendered page data, server-side generated pages, and client-side rendering. The guide also highlights the importance of using hooks and custom components to ensure efficient data fetching on the client side. Overall, this guide provides a comprehensive overview of using Apollo Client with Next.js for data fetching in different modes.