Because its the awesome google which shall make this post appear in search result of this question when you type it your search-box.
when I am typing this I don’t know when this page shall appear in top search results but it shall be soon. I wrote this post while reading some content over SEO, and after making some changes in my page.
Google is smart and powerful enough to find the closest answers to your questions and expects you to be somewhat precise in your purpose when you search. I can tell you some but then awesome google had done it for you. check tips and update finger tips.