The primary use of dextromethorphan is as a cough suppressant, for the temporary relief of cough caused by minor throat and bronchial irritation (such as commonly accompanies the flu and common cold), as well as those resulting from inhaled particle irritants.
As of Q4 2016, South Korea had the fastest average internet connection in the world at 26.1 Mbit/s according to the report State of the Internet published by Akamai Technologies. South Korea's speed is almost four times faster than the world average of 7.0 Mbit/s.
Everyone wants the fastest Internet connection they can get. Today, the giants in high-speed Internet are DSL (digital subscriber line) and cable modem service. But a newer technology called fiber optics blows them both out of the water, if you can get it. Here's how they stack up, speed-wise...