What are some alternatives?
When comparing Pandora and Pithos, you can also consider the following products
Serendipity by Spotify - Map shows when two people play same song at same time
Elpis - Elpis is a free and open source Pandora client for Microsoft Windows.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Hermes - Pandora Client for OS X
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.
Digitally Imported - DI. FM streams the world's most addictive electronic music. Our radio channels feature world renowned artists, DJs, and the hottest exclusive shows.