The biggest limitation hindering widespread fiber optic adoption is the cost requirements of implementing new fiber optic lines when old infrastructures such as DSL and cable are still serving customers.
Well, at a fundamental level, fiber optic communication works by sending small binary transmissions of light down a fiber optic wire. Then, at each end of the fiber optic infrastructure there is a computer, repeater, or optic amplifier that makes sense of the signal or amplifies it so it can continue on down the network.
According to the FCC, companies providing fiber optic internet connections offer 117 percent of the advertised speed during peak times, greater than that of DSL and cable.
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