For example, its Windows 8 Start key provides a quick and easy way to get back to your Start Screen, while the App Switching function key allows you to quickly switch among your open apps.
When things go according to plan, though, Switchblade is a joy to use -- it provides quick access to any key combination imaginable, stamped with a colorful custom image.
The promise of stronger sales and profits will make it hard to resist tinkering with a book in response to such signals, adding a few choice words here, trimming a chapter there, maybe giving a key character a quick makeover.