Considering the great value of this article alone, I find it useful and need to add something on my own. First of all, the reasoning is quite an essential thing to consider before talking about the straight facts, or facts which might seem obvious more cum. But it should be mandatory to cite various external sources used and to cite them properly. While this might look a bit pushy and directive hostely, it should be a primary thing to look at after reading any article. Thank you for your trial.