We are dealing with information everyday. Of course information is transferred by language. The more language skill that we have the more information that we can absorb and that what distinguish us with others. Learning language is the best investment because communication skill is the most important thing when it comes to career and business. It is closely related with social and marketing activity which is the main core of business, increasing revenue by increasing sale and that can be done by negotiation and diplomation skill and once again sent by language. Language is essential too for education, and the education itself. By mastering language the 

faster we can process and link information that we got so can have more knowledge which is combined with repetitive action can become skilled at one or more subject. Nowadays vastly open sourced information can be accessed by everyone from internet. As time ticks, science is multiplicating at the speed of light. And many people are racing for improving ability and skill sets at the same time. And once again processed and transferred by language.