Network Slicing (NS) is recognized as a key technology in the 5G era, enabling telcos to enhance profitability and maximize network value. This report examines proof-of-concept (POC) cases from 20 major telcos across Europe, the Americas, China, Japan, South Korea, and Taiwan. By analyzing over 100 cases, the Market Intelligence & Consulting Institute (MIC) identifies the most prominent verticals for network slicing applications globally and estimates the timeline for widespread adoption of commercial network slicing services.