I do this cause I just like to interact with the graphics. Especially if it's a Mac and you have all those nice quartz effects like when you highlight, then click and drag so that the text is floating above some other part of the screen, disembodied from the article.
I pause to think a lot when I read, so this is just sort of fidgeting while my mind thinks about something, I suppose.
I pause to think a lot when I read, so this is just sort of fidgeting while my mind thinks about something, I suppose.