Just one method we can choose,which can be the simplest easiest and applicabable to all.And just that one method can be spread all over the world.And that is widnessing the breath: And there is no need to buy all devices which where reviewed on all 3486 pages Peter Gamma has written on www.petergamma.org Just one … Continue reading 1440. And there is no need to read all 3486 pages Peter Gamma has written on www.petergamma.org, just one method we can choose & just one device we can choose