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.
Overall, the fastest internet service provider in our lineup was Verizon. The cheapest service is dial-up and, in our sampling, goes to Time Warner. The best overall cable provider is Comcast. The best DSL service is Verizon, and the best high-speed service is Verizon.