1. All Filters Off Filter On At Most Slider At Least Slider Range Slider
The thin grey bar indicates the range being displayed. Using a filter will effect the range of other filters.
Setting Family /w Kids Density to 200/sq. mi. causes the Employee Density to be limited to under 17,000/sq. mi.
At Most Slider
At Least Slider
Range Slider
Sliders can be set up to filter out high (most) or low (least) values. Or they can be set to allow filtering from both ends.

2. Zoom In/Out Area (Lasso) Zoom Pin/Unpin
Zoom controls appear when you move your mouse into the map.
Area (Lasso) Zoom
Pin/Unpin
When you zoom in the pin automatically locks the screen to the chosen area. Click the blue pin to unlock it, and restore the auto-sizing.
Click and drag a box to select marks.
If you click and hold for 1 second the grabby hand will appear and you can scroll around the map.

3. Keyboard/Mouse Action
When you hover your mouse over a mark a tooltip pops up, but it stays visible for only 15 seconds.
If you move your mouse inside the tooltip box the tool tip will remain visible indefinitely.
Keyboard/Mouse Action
Description
Click
Selects the mark
Drag
Selects a group of marks
Ctrl + Click
Adds individual marks to the selection
Ctrl + Drag
Adds a group of marks to the selection
Shift + Drag
Pans around the view
Esc
Clears the selection
Click and Hold + Drag
Double-click
Zooms into a point on the map
Shift + Double-click
Zooms out
Ctrl + Scroll Wheel
Zooms in and out on a map