Snap Inc.'s business model is predominantly advertising-driven, with digital advertising accounting for approximately 99% of total revenue. This concentration creates both simplicity—advertising is a well-understood and scalable revenue model—and vulnerability, as it makes Snap's financial performance directly dependent on digital advertising market conditions, competition for advertising budgets, and the health of its user engagement metrics. The advertising model operates through two primary formats. Snap Ads are full-screen vertical video advertisements that appear between user Stories, in the Discover feed, and within Spotlight content. These ads are designed for the mobile-first, full-screen experience that Snapchat pioneered and that has since become the dominant advertising format across social media platforms. The second format is Sponsored Lenses and Filters—branded AR experiences that users voluntarily engage with and share, creating a form of paid social advertising where the brand message is distributed through organic user behavior rather than paid media placement alone. When a user applies a Taco Bell lens or a movie studio's promotional filter to their face and sends it to friends, the advertiser receives impressions through a peer-to-peer distribution mechanism that no traditional media format can replicate. The advertising business operates on an auction-based programmatic model, with advertisers bidding for impressions targeted against Snap's demographic and behavioral data. Snap's targeting capabilities are more limited than Meta's by design—the company relies less on cross-app tracking and third-party data—a positioning that became relevant when Apple's App Tracking Transparency (ATT) framework disrupted the digital advertising industry in 2021. Snap was disproportionately affected by ATT relative to Meta because its smaller data footprint made it harder to demonstrate ad effectiveness to performance advertisers who lost attribution visibility. The company has invested significantly in privacy-preserving measurement technologies and in its own first-party data infrastructure to rebuild advertiser confidence. Snap+ represents the company's subscription revenue initiative, launched in 2022 at $3.99 per month. Snap+ offers exclusive features—custom app icons, priority story replies, exclusive lenses, and the ability to see who has rewatched stories—that appeal to the most engaged users. While subscription revenue remains a small fraction of total revenue, the subscriber base has grown faster than initially anticipated, reaching several million subscribers by 2024. The subscription model is strategically important not just for revenue diversification but for signal: subscribers provide high-quality first-party data and represent the most engaged segment of the user base, both valuable for advertising targeting and for product development insight. The hardware business—Spectacles, Snap's AR glasses—represents the company's longest-running bet on a post-smartphone computing paradigm. Multiple generations of Spectacles have been produced, each advancing the AR capability and wearability of the device. The current generation is designed for developers and creators rather than mass consumer adoption, reflecting a pragmatic acknowledgment that AR glasses are not yet ready for mainstream consumer markets. Hardware generates minimal revenue relative to the investment required, but the strategic rationale is positioning: if AR glasses become the next major computing platform, Snap believes its software and content ecosystem must be accompanied by a native hardware layer to avoid the platform dependency that has constrained it on mobile. The creator ecosystem, while not a direct revenue line, is essential to the business model's sustainability. Snap has invested in the Snap Stars program, creator monetization tools, and the Spotlight revenue sharing fund to attract and retain content creators who generate the content that keeps users engaged and returning. The challenge Snap faces in creator economics is competing for creator attention against platforms—YouTube, TikTok, Instagram—that offer larger audiences and more mature monetization infrastructure. Creator investment is a competitive necessity for Snap even when the direct return on investment is difficult to measure.