Multinational corporations need strategies to deliver seamless omnichannel experiences for customers. Key strategies include understanding customers through data-driven techniques, adopting new online channels, piloting new business models like subscriptions, and incubating startups to develop new channels. Recommendations include adopting a portfolio approach to channels, investing in design thinking, and making decisions based on data analysis rather than experience. The document discusses themes like complementarity between channels, failing fast with channels that don't work, personalization, connecting data sources, and partnering through ecosystems.