Advertising is a normal thing, because lazy people listen to books for free, and they can't afford copyright fees without advertising fees.

Lazy people listening to books is a mobile audio reading application developed and operated by Shenzhen Lazy People Online Technology Co., Ltd. Lazy people listening to books supports a variety of client platforms, and the products are composed of audio book city, listening community and open platform. Lazy people listen to books to provide free audio and digital services, such as listening to books, radio and news, with massive resources, uploading programs, downloading and listening.