Word API

msdn - mt616496
Custom Web Service - get and post requests using C# code
manifest gets saved into the document
Everything someone opens the document, the add-in will be activated
reading and writing
document bindings
binding is only supported with the Rich Text Content Control

Word Types

Word - Ribbon command displaying a dialog
Word - Ribbon command displaying a task pane
Word - Task pane displayed initially
Word - Task pane which can display a dialog
Word - Shortcut Menu displaying a dialog
Word - Shortcut Menu displaying a task pane
Word - Content inserted onto worksheet

Data Types

Text
OOxml
HTML
Table
Matrix ?

persisting data - blog.falafel.com/apps-for-office-building-task-pane-app