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What would make the trackball light up blue??

Is there by chance anything that looks like this near where you leave your phone unattended?
invasion-of-the-body-snatchers-pod1.jpg
 
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umm ok all these responses are kinda weird. No I dont paint my nails. I dont have on sun glasses. And sorry not on viagra either. Maybe something did break. thanks anyways guys lol

Leg humpers coming (yes, spelled CORRECTLY) out of the woodwork... sigh.


Dust on a white LED, oil from your fingers, dirt from your fingers (even though your hands are clean) will all leave a residue that will change the way the light from the LED appears. This can be more noticeable with the trackball as it will likely hold oils, dust, dirt, etc much more than the other parts of the phone.
 
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