Click the “Tools” if the tool palette isn’t displayed.
Tools include hand/move, pencil, rectangle/circle, annotation bubble, text, arrows, eraser, color picker, area highlight.
The 1:1 tool zooms the image to 100%/full size if needed, the one to the left makes the image fit the window. Plus there’s a magnifying glass tool.
All annotations are visible to all viewers in real time, and they persist after the page has been closed for “after hours” viewing.
Make sure you create a username when it asks you. The annotations can be skipped to like chapter markers on a DVD using the “Move to next annotation” button on the player controls (j key)

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