Too many topics, too little time

Amateurs and professionals: “The distinction between professionals and amateurs is one that’s so familiar today as to seem perfectly natural. Professionals are serious, amateurs are dilettantes; professionals know what they’re doing, and have credentials and training, amateurs don’t; professionals get paid, amateurs are hobbyists. Of course, in a few fields there are exceptions to the rule: astronomy, for example, continues to have a place for amateur comet-watchers. —snip—

(Via Future Now.)

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I generally term this the professionalization of leisure in the DIY culture. this theory fits with some of my thoughts though.