这款病毒式传播的电子阅读器突然横空出世，让书虫们欲罢不能——但它在零售商的榜单上超越 Kindle Colorsoft 的表现，可能让亚马逊敲响警钟。

This viral ereader has come out of nowhere, and bookworms can’t get enough of it — but it ‘could ring alarm bells’ for Amazon as it surpasses the Kindle Colorsoft on the retailer’s charts