Not clear how compatible it is with the Amazon or Sony e-book stores.

至于和亚马逊或者索尼的电子书商店是否兼容，还不清楚。

youdao

While Sony helped pioneer the market for e-book readers using sophisticated electronic ink technology, it had fallen behind Amazon in the race to transform electronic readers into mass market devices.

虽然索尼公司利用先进的电子墨水技术率先拓展了电子书阅读器市场，但它在将该产品转化为大众市场设备的竞争中落后于亚马逊。

youdao

It has also embraced an open electronic standard that lets customers buying e-books from Sony read them on other devices running the software.

同时，它还采纳了开放式的电子图书标准，让从索尼购买图书的顾客也能够在其他装有此软件的设备上阅读它们。

youdao

But you also have the Nook from Barnes and Noble and the e-reader from Sony.

VOA: special.2010.12.20

Waterstones had previously sold Sony e-readers which had received much less promotion.

BBC: Kobo Glo

The first thing you'll notice, once you get past the space-age design, is the fact that the camera really does feel like a rebranded Sony NEX device slipped into a new shell, and as such, it takes those Sony e-mount lenses.

ENGADGET: Hasselblad Lunar mirrorless camera hands-on Hands-on

As well as being used for in-store signage, E Ink's technology powers Sony's e-book reader, and in April, Seiko, a watchmaker, unveiled a digital watch built around an E Ink display.

ECONOMIST: REPORTS