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.
The U.S. now has the ninth-fastest average Internet connection speed in the world, behind South Korea, Japan, Hong Kong, Switzerland, the Netherlands, Latvia, the Czech Republic and Sweden. That's a slip in the rankings: In the last Akamai report, the U.S. was eighth, with faster average connection speeds than Sweden.