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Hot corners serve as the Frame's primary invocation method.  As [http://en.wikipedia.org/wiki/Fitt%27s_law Fitts' Law] implies, the corners are the easiest part of the screen to hit with a cursor. Moving the cursor to any corner of the screen will instantly invoke the frame. From a corner, one can readily scroll along an edge in search of a desired element. Since newly added people, objects, and invitations insert from the corners, the latest invitation, clipping, or participant is always close at hand.
 
Hot corners serve as the Frame's primary invocation method.  As [http://en.wikipedia.org/wiki/Fitt%27s_law Fitts' Law] implies, the corners are the easiest part of the screen to hit with a cursor. Moving the cursor to any corner of the screen will instantly invoke the frame. From a corner, one can readily scroll along an edge in search of a desired element. Since newly added people, objects, and invitations insert from the corners, the latest invitation, clipping, or participant is always close at hand.
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=====Warm edges=====
 
=====Warm edges=====
 
"Warm edges" work identically to hot corners albeit on a short delay. For the laptop interface, this means that a half-second pause precedes the activation of the frame from an edge of the screen. Additional parameters, such as a minimum cursor velocity, virtually eliminate accidental invocation; this is importance since, again by Fitts' Law, the edges of the screen provide the optimal placement for toolbar buttons and scrollbars&mdash; these elements should extend to the very edge of the screen themselves.  The ability to access the frame directly from the edges allows one to jump directly to the spot where a particular element, such as the search field, resides.
 
"Warm edges" work identically to hot corners albeit on a short delay. For the laptop interface, this means that a half-second pause precedes the activation of the frame from an edge of the screen. Additional parameters, such as a minimum cursor velocity, virtually eliminate accidental invocation; this is importance since, again by Fitts' Law, the edges of the screen provide the optimal placement for toolbar buttons and scrollbars&mdash; these elements should extend to the very edge of the screen themselves.  The ability to access the frame directly from the edges allows one to jump directly to the spot where a particular element, such as the search field, resides.
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=====Function Key=====
 
=====Function Key=====
 
In addition to trackpad-based activation, the information within the Frame lies just one keystroke away. A dedicated key has two modes of functionality: (1) momentary presses act as a toggle, turning the Frame on and off with each press; and (2) holding the key down, the Frame will appear on screen until release of the key. This latter method provides a quick way to glance at incoming invitations or other system status elements for a brief moment and then return full focus to the activity view itself.
 
In addition to trackpad-based activation, the information within the Frame lies just one keystroke away. A dedicated key has two modes of functionality: (1) momentary presses act as a toggle, turning the Frame on and off with each press; and (2) holding the key down, the Frame will appear on screen until release of the key. This latter method provides a quick way to glance at incoming invitations or other system status elements for a brief moment and then return full focus to the activity view itself.
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