Although currently there are more efficient codecs with advanced functions, MP3 is still very popular among consumers. However, most modern media services, such as streaming radio, TV and broadcasting, use modern codecs ISO MPEG: a family in the future AAC or MPEG-H. They can provide more features and higher quality audio at much lower bitrates compared to MP3. End of an era of music.
MP3 will still flourish even if the developers will end their project and terminate their license fees. MP3 technology has already been widespread and there are many users of MP3 and as long as there are mp3 players and users it will continue to survive long years before it can finally die out. But it is sad to look at this kind of technology fade away. Hope it can evolve and match other kinds of technology and formats.