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.
Broadview Networks. If you're looking for the fastest Internet service in the US, you should pack your bags for Virginia. With an average of 13.7 megabits per second, Virginia tops the country for the speediest Internet access, according to Broadview Networks. What state has the slowest broadband speed? Alaska, with an average of 7 Mbps. How fast is the home of Silicon Valley -- California? It comes in No. 20 with an average of 10.9 Mbps.