What are some alternatives?
When comparing Last.fm and Deezer, you can also consider the following products
Serendipity by Spotify - Map shows when two people play same song at same time
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Google Play Music - Free radio for everything you do. Store 50,000 tracks from your personal collection. Subscribe for on-demand access to 40 million songs and offline listening.
SoundCloud - Enjoy music & follow favourite artists
TuneIn Radio - With TuneIn Radio Mobile, your mobile device becomes the radio.
Jamendo - Jamendo app is a free Android music player that allows you to download and listen to music legally for free on your mobile device.