released figures suggesting services that allow free full-song streaming can spur increased download sales. The company says that since it upgraded from 30-second song samples to full songs, CD and downloads sales through its links to partner have increased 119%.

Part of this bump is due to the increased number of users gained from both the new functionality and all the marketing surrounding the launch. But the company says the CD and download purchases from even existing members buying on Amazon jumped 66% as well.

The exact impact of this data remains unclear. has no resident download service, offering only streaming, playlist and community features. It partners with, 7digital and iTunes as an affiliate, but offers no sales data for the other two services.

By providing only details for growth at Amazon, it's difficult to say whether the bump is due directly to the addition of full-song streaming or due to users migrating from iTunes to Amazon as a result of the latter's DRM-free policies. (i.e.: 66% of users may have simply started buying from a different retailer, sparking growth in one but leaving the overall number of purchased tracks the same.)

The company says it has no plans to introduce a store of its own in the near future. also says the amount of time members spend on also increased 118% since moving to the full-song format.