The Art of Writing & Speaking в Android Market

The Art of Writing & Speaking (v. 1.0) Разработано MyApp Builder

If there is a subject of really universal interest and utility, it is the art of writing and speaking one's own language effectively. It is the basis of culture, as we all know; but it is infinitely more than that: it is the basis of business. No salesman can sell anything unless he can explain the merits of his goods...