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I have another question, could be seriously stupid: Do you need to have a strong, glowing light on the top of your computer for this to work? Could it use the monitor backlight? Imagine if the Apple logo in a MacBook is actually a Li-Fi "antenna".



The article says they are using 5 milliwatt LEDs for this, so it doesn't seem like you need that much brightness at all.


Heh, that would also be a good way for them to force their customers to display the branding, instead of e.g. covering it with stickers...




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