Online bookseller Amazon.com will acquire a five per cent stake in Audible.com, a supplier of audio services for download and playback on PCs and other mobile devices.
Under the terms of the agreement Amazon's 16 million customers will be able to buy audio content from Audible. This includes newspapers, magazines, radio programmes and books, as well as educational material.
"We're always looking for new ways to deliver more to our customers," said Jeff Bezos, Amazon's chief executive.
Amazon will receive $30 million from Audible over three years in exchange for the promotion of Audible's content and services.
Earlier this month, Audible said it would integrate its playback technology with Microsoft's Reader software which allows users to read and hear electronic books on PCs and handheld devices. Microsoft also has an investment in Audible.
Dubbed Barnard's star B, newly discovered planet is believed to be rocky
Also, what's a USB stick?
Gravitational waves become extremely weak by the time they reach the Earth and require highly sensitive equipment for detection
The reactor topped out at 100 million° C