How do you map and orchestrate a b2b buyer journey, from learning to buying?

We're currently revisiting our content strategy here at Resultados Digitais, and some help on the subject would be very valuable. Our main challenges include: - Finding which types of of subject/content/format/channel work better, and in which stage of the journey; and - Understand how far should we go on segmenting and personalizing our strategy, and under which axis (demographics, persona, etc);