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...	...	@@ -38,10 +38,28 @@
38	38	from IPython.core.display_functions import display
39	39	)))
40	40
41		-Then, we instantiate the **HeadWidget** and a **FaceSurface** datatype that we want to visualize. Using the //**add_datatype**// method we add the surface to our widget and __display__ the widget:
	41	+Then, there are 2 options to work with the widget:
42	42
	43	+1. Use a file browser to load the data and automatically display it
	44	+1. Use directly the API to load the data and display it
	45	+
	46	+
	47	+
	48	+For the first option, you have to run the following 2 lines of code in a notebook cell and then just use the UI controls:
	49	+
43	43	(% class="box" %)
44	44	(((
	52	+widget = api.HeadBrowser()
	53	+display(widget)
	54	+)))
	55	+
	56	+
	57	+For the second option, the API is described below:
	58	+
	59	+In a new cell, we instantiate the **HeadWidget** and a **FaceSurface** datatype that we want to visualize. Using the //**add_datatype**// method we add the surface to our widget and __display__ the widget:
	60	+
	61	+(% class="box" %)
	62	+(((
45	45	widget = api.HeadWidget()
46	46
47	47	face = surfaces.FaceSurface().from_file()