Smart Bidding: A subset of automated bid strategies that uses machine learning to optimize for conversions in each and every auction, a feature known as “auction-time bidding”. Smart Bidding strategies include Target CPA (Cost Per Acquisition), Target ROAS (Return On Ad Spend), Maximize Conversions, and Enhanced CPC (Cost Per Click). This technology is integral in digital marketing for improving campaign performance by automatically adjusting bids to meet advertising goals.