It measures the ability of people to communicate in the workplace using everyday English.
VOA: special.2010.02.18
"It will curb the ability of tobacco companies to market products to our children by using appealing flavors,".
VOA: standard.2009.06.22
The thing you have to remember is that the prior art that belonged to Samsung, or belonged to somebody else that they had the abilityofusing, they had not used for quite some time.
Because of the spectacular abilityof the internet to record the actions of everyone using it, when each of the aforementioned disciplines is applied to the internet, measurement is easier than it has ever been.
You gather up the usual suspects to see who is responsible for your failure: lack of innate ability, lack of effort, poor preparation, using the wrong strategy, bad luck, etc.