Text will now be rendered at a per character level and zooming in will be a fluid zoom from page-width down to the text you want to focus on.

现在呈现文本将在每个字符水平，放大将是一个流体从页面宽度向下缩放文本要重点关注。

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To make the text larger than 10-point font requires zooming in on the document and dragging it around with the iRex's stylus, a naggingly slow process given E-Ink's refresh rate of about one second. iRex claims it redraws its screen faster than Kindle, but in Forbes.com's tests it locked up sporadically and often took far longer to refresh than Amazon's less flashy display.

FORBES: E-Books