Science says yes: http://jeffhuang.com/Final_CursorBehavior_CHI11.pdf http://jeffhuang.com/Final_CursorBehavior_CHI11.pdf More precisely, the paper above ("No

Science says yes: http://jeffhuang.com/Final_CursorBehavior_CHI11.pdf http://jeffhuang.com/Final_CursorBehavior_CHI11.pdf More precisely, the paper above ("No Clicks, No Problem") demonstrates that tracking cursor movements provides useful predictive value of reader interest. Selecting text is a special case of this.