This document explains what latency is, how it impacts real time digital experiences, and why reducing delay is critical for applications like video calling, online gaming, healthcare, e learning, and enterprise collaboration. It breaks down latency types, real world business costs, technical challenges, and proven approaches to achieving ultra low latency, showing how design choices, infrastructure, and communication APIs directly shape user experience and performance. Watch to learn more - https://youtu.be/ETnITFXpDa8