The document outlines SEO trends and changes prompted by the events of 2020, including the impact of COVID-19, the growth of e-commerce, and the implications of Google's May 2020 core update. Key points include the necessity to focus on quality content, prioritize user experience, and adapt SEO strategies to new consumer behaviors and digital trends as industries evolve in 2021. Opportunities such as structured data and advancements in language modeling technology like GPT-3 are discussed for SEO optimization moving forward.