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Have you ever wondered why your mouse cursor rests ever so slightly to the left? Chances are, that little arrow on an incline is so ubiquitous that you've never even thought twice about its 45-degree lean. As it turns out, there's a very good reason for it. Or was, anyway, back in a more pixelated age.
Over on Stack Exchange, computer software developer Bart Gijssens revealed the following explanation of the slanted cursor's origins in response to this question on its design.
This is the historical reason:(concept drawing taken from document: http://bitsavers.trailing-edge.com/pdf/xerox/parc...)The mouse, and therefore the mouse cursor, was invented by Douglas Englebart, and was initially an arrow pointing up.When the XEROX PARC machine was built, the cursor changed into a tilted arrow. It was found that, given the low resolution of the screens in those days, drawing a straight line and a line in the 45 degrees angle was easier to do and more recognizable than the straight cursor.
As you can see below, the original, straight cursor was indeed much more difficult to pick out amongst the blocks of basic text.
And as Gijssens points out in a later edit, after Englebart created the left-leaning cursor, Steve Jobs borrowed it for his software followed by Bill Gates who borrowed it after him. At this point, we've just become so accustomed to our leaning (and still highly functional!) arrow that anything else would seem too bizarre. Besides, why mess with perfection? [Stack Exchange viaDigg]
Never until now , I can say have I ever even noticed the curser leaning . Now that is quit a remarkable. As ironic as that is you would also think with people that have OCD this would become very annoying .I do wonder why its easier to draw a line better with a 45 degree angle , now that makes no sense but like they said "If it aint broke , dont mess with perfection ".
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