Sentence:  In the field of entertainment there is no spur to financial daring so effective as audience boredom , and the first decade of the <WSD>new</WSD> device was not over before audiences began staying away in large numbers from the simple-minded , one minute shows . 
Meaning of the word marked with <WSD> tags:  not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered