Explore the fascinating world of Pi in this coding challenge video. Build a web application using p5.js and node.js to search through the first billion digits of Pi. Learn how to import Pi data, implement search functionality, handle large files with read streams, and create an API. Discover techniques for efficient data processing and gain insights into working with massive datasets. Follow along as the instructor guides you through each step, from basic number searches to advanced server-side operations. Get inspired by potential applications and improvements for this Pi-searching project.