And a quote from there: "The basic summary is cursoring around required a higher level of mental planning to organize the interaction, which apparently obscures the perception of the passage of time--think of being deeply engaged in something and being surprised when you look at a clock-- whereas the use of the mouse was done at a lower, mechanical level that left the mind free for higher things, such as complaining about the mouse."
And a quote from there: "The basic summary is cursoring around required a higher level of mental planning to organize the interaction, which apparently obscures the perception of the passage of time--think of being deeply engaged in something and being surprised when you look at a clock-- whereas the use of the mouse was done at a lower, mechanical level that left the mind free for higher things, such as complaining about the mouse."