my sceptic nature and past experience suggests it's only settings to have poorer contrast.
The contrast is related to two things:
1) How opaque and white the milky liquid is of the cells with the black balls. Maybe the depth of the cells too.
2) How much reflected light is reduced by the light pipe, touch screen layers etc.
It's not improved hugely since Pearl and capacitive touch (rather than none or IR) and light pipe layer have both reduced apparent contrast under ambient reflected light compared to fresh copier paper.
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