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.
South Korea remains the country with the fastest Internet in the world with a 22Mbps average. A staggering 70% of the population enjoys speeds above 10Mbps. The country is also displaying a 66% quarter on quarter growth. Last week 2 Korean telcos announced plans to launch a 300Mbps mobile broadband service before the end of 2014. Japan (2nd) and Hong Kong (3rd) are the other Asian countries in the Top 10.