The document discusses the evolution of online marketing from Web 1.0 to Web 3.0, with a focus on current and emerging trends like cross-channel targeting, data-driven advertising, and brands moving marketing budgets online. It notes that the online audience can now be precisely identified and targeted across billions of connected devices. Advertisers seek to reach this global audience by targeting ads to specific user profiles across social media, videos, games and other digital platforms and publishers. Technology plays a key role in powering this digital content distribution and ad serving across devices through proprietary platforms.