MP3s are compressed, allowing users to store thousands of songs on a single SD card.
A: Smartphones, cheap data, legal action, and superior user experience of streaming apps made them obsolete.
Because these sites were unregulated, many hosted hidden malware. Downloading a “.mp3” file could sometimes be an executable virus that corrupted your phone’s software, stole contacts, or sent premium-rate SMS.
Because these sites didn’t pay royalties, they released songs hours after a movie’s theatrical debut, often faster than official channels.