This document defines the metaverse and explores ways companies are entering and conducting commerce within virtual worlds. It begins by defining the metaverse as a network of 3D virtual worlds accessed synchronously by many users. Examples are given of companies like Meta/Facebook and Roblox investing in the metaverse. The document then explores how brands are partnering with games like Fortnite and Roblox to reach users. Examples of fashion brands and retailers experimenting with virtual stores, NFTs, and direct-to-avatar commerce are provided. The document concludes that brands should begin experimenting in the metaverse now while paying attention to generational differences and emerging sales opportunities in this new virtual landscape.