A multi-advertiser spot is a type of advertising placement that features multiple brands or companies in a single commercial or advertisement. This allows for multiple advertisers to share the same airtime and reach a wider audience, while also providing cost-effective options for smaller businesses. These spots often showcase a variety of products or services, creating a diverse and engaging viewing experience for the audience. Multi-advertiser spots are commonly used in television, radio, and online advertising, and are a popular choice for companies looking to maximize their exposure and impact.