Read this and answer the question

Television has played a major role in the history of the Premier League. The League's decision to assign broadcasting rights to BSkyB in 1992 was at the time a radical decision, but one that has paid off. At the time pay television was an almost untested proposition in the UK market, as was charging fans to watch live televised football. However, a combination of Sky's strategy, the quality of Premier League football and the public's appetite for the game has seen the value of the Premier League's TV rights soar.

Why was this a unique decision?
pay television was an almost untested proposition in the UK market,