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.
Given that Asia dominates the list of 100 Fastest Internet cities and China is the most populous nation in the world, it shouldnât come as a surprise to anyone that China is home to the largest broadband service provider in the world.he two Chinese ISPs account for nearly 20 percent of the worldâs broadband subscribers. At the end of the first quarter of 2010, there were close to 492 million broadband subscribers worldwide, Telegeography notes. (Related: there are nearly half a billion broadband subscribers worldwide .).