Cross-channel online marketing makes the sale more effective. Antti Kallio from TradeDoubler discusses how analyzing customer journeys across channels can uncover how different marketing activities like search, display, email, affiliate programs and social media contribute to purchases. Understanding cross-channel dynamics through data analysis can optimize budgets across channels and identify how each channel supports the others to increase sales. TradeDoubler has experience analyzing large datasets to provide insights into customer lifetime value and sales attribution across multiple channels for advertisers.