So, reimplementations were always possible. What changes, now, is the fact they are brutally faster and cheaper to accomplish. In the past, you had to hire developers, or to be enthusiastic and passionate enough to create a reimplementation yourself, because of business aspirations or because you wanted to share it with the world at large.
CEO Lynn Nicholls said: "People get into situations where cats breed, they then don't know what to do with them, they can't look after them all and when they move a lot of the time they do leave them behind."，这一点在新收录的资料中也有详细论述
existed = os.path.exists(OUT)。关于这个话题，新收录的资料提供了深入分析
Some of these may seem strange without further explanation. Below give more of the rationale in detail.