With the popularization of mobile payment and the gradual development of the concept of knowledge content consumption, knowledge payment has gradually become a generally accepted learning method. Since 2015, various knowledge payment platforms have been launched and the number of users has grown rapidly. Related reports show that 2017 In 2008, the number of paid users of knowledge content in China reached 188 million, and knowledge payment is becoming a weapon for people to break through from massive information. Which of the following, if true, best explains the above phenomenon. ['Knowledge payment can meet the broad interests of the majority of netizens at any time.', 'The thirst for new knowledge and skills among contemporary youth is increasing.', "Knowledge payment can meet people's low threshold and efficient learning needs.", 'Fans can ask the knowledge idol at any time through the knowledge payment method.']