Multichannel Marketing Strategy

Build a Multichannel marketing strategy for an Omnichannel experience.
The content authoring tool.

Multichannel marketing (MCM) strategy involves the creation of content for each communication channel of the defined channel mix. As an example, we would need digital presentations aka CLM presentations for face to face e-detailing (in a better world), digital presentations for remote e-detailing and emails. How to develop so much content?