What are some alternatives?
When comparing BBC iPlayer and Serendipity by Spotify, you can also consider the following products
Netflix - See what's next. Watch anywhere. Cancel anytime.
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
WatchAsap - Watch movies and tv shows
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.
Playary - Watch short films and music videos for free.
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.