A library is, or should be, a service centre specializing in the location, storage, acquisition and exposure of information. From the consumer's point of view the emphasis in such a definition is on the words ‘service’ and ‘exposure’. Most libraries score reasonably well from the...

There are two fundamental facts about programming languages: there are lots of them; all but a handful are never used beyond the immediate circle of friends of the inventor. An exhaustive survey of all languages used over the past twenty years in Western Europe and the US would be...