OTT advertising significantly differs from linear TV primarily in its targeting capabilities. While linear TV relies on broad demographic segments and geographical reach, OTT leverages rich user data for highly precise, audience-specific targeting, including behavioral patterns, interests, and device usage. This data-driven approach allows for dynamic ad insertion, personalizing commercials to individual viewers rather than a mass audience receiving the same message in fixed ad breaks. Furthermore, OTT offers superior measurement and attribution, providing digital-level analytics like impressions, completion rates, and conversion tracking, which is largely absent in traditional linear TV's ratings-based system. Campaigns on OTT platforms are also far more flexible and cost-effective for optimization, contrasting with linear TV's often rigid, high-upfront cost model. Consequently, OTT provides advertisers with unparalleled control and insights for reaching a more engaged, younger, and on-demand oriented audience.