FIBRE OPTIC TRANSMISSIONS USED IN NETWORK LINKS, ESPECIALLY FOR THE INTERNET, OFTEN ISN'T VISIBLE LIGHT. IT'S IN FACT WITHIN THE NEAR-INFRARED RANGE. MANY SMARTPHONE CAMERAS CAN SEE THIS OTHERWISE INVISIBLE LASER LIGHT... SO NOW YOU'VE REALLY PEERED INTO THE INTERNET. ALTHOUGH, THE LIGHT WOULD APPEAR STEADY, BECAUSE THE LASERS STROBE THE IR LIGHT, OFTEN BETWEEN HIGHS AND LOWS, MUCH TOO QUICKLY.
