Top definition
Using the pattern of greasy finger prints on a multitouch display, like an iPad, to partly determine an application's UI usage pattern.
"The grease map shows that most of your app's controls are on the left and bottom of the screen, so you probably don't want to display important text there."
by Chimpy-6 April 15, 2010
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug