Online retailer Amazon has unveiled an own-brand wireless electronic book reader called Kindle.
The paperback-sized device is on sale immediately in the US for $399 (£195). It can store up to 200 books in its onboard memory.
Kindle does not need a PC to be loaded with books, blogs or papers - instead content arrives via wireless.
Amazon said 90,000 books, including bestsellers priced at $9.99, were available for Kindle at launch.
Read more