Solve existing questions. Don't advocate to transport the organization to "new" things.

Visualization comes secondary.

There is no best answer. There are many good answers. Seek to satisfice.

Visualization for exploration vs. presentation.

Interactive charts - use 1 chart to navigate another

Xerox Parc and the hyperbolic tree

If you solve "overviews", you solve visualizations.

Visual encoding channels - axes, shape, color, text - to convey many dimensions.

Visual vocabulary - Jaques Bartun, Barbara ?