There are currently two membership types, free and premium. Spotify Premium is available in Austria, Belgium, Estonia, Finland, France, Germany, Greece, Italy, The Netherlands, Norway, Poland, Portugal, Romania, Sweden, Switzerland, Spain and the UK. The free version is only available in Sweden, Norway, Finland, the UK, France and Spain and in some of those countries an invitation is required.
It is not currently available in the US or Canada, however they planned to launch it in the US by the end of next year.
The site is not yet making any money in the fierce music market, but it has signed a deal to sell music downloads via online music store 7digital.
Further information and an interview with the owner http://news.bbc.co.uk/1/hi/programmes/clic...ine/8072757.stm
and a link that explains the technology behind it pretty well
http://en.wikipedia.org/wiki/Spotify

