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It is not yet implemented yet , but the goal is to distribute something that you can download and experiment with . If it is not properly treated , disease and disaster result , with injurious consequences to master as well as servant . Regardless of the art and skill with which a publication is put together , if it is " primarily designed for advertising purposes " that fact will be readily apparent and obvious to its readers . It is probably best known as the home base for the Network Time Protocol ( NTP ) and a flock of time servers that wind their springs on this network . The publisher is told that his application for second-class mail privileges is denied because it is " primarily designed for advertising purposes , " and that the entity it is primarily designed to advertise is Storer Cable Communications ( Storer ) . Scientists Although the University has always had more than its fair share of famous men of letters it is probably best known today for its scientists . When it was first released in 1988 , Mathematica rapidly became the technical computing software of choice for expert scientists and researchers , even though it was considered too advanced for everyday professionals and students .