Now that the summer book frenzy is in full swing, anything that helps us read a little faster is welcome -- so we're glad that Amazon just pushed out a relevant update to its Kindle app for iOS. The new 3.8 release adds line spacing options, so readers can fit more (or less) on to a page without tweaking the font. Those whose eyes demand an extra-large font can now pick one, too. Amazon is also laying some early groundwork for
