NinjaKnows provides a free file recognition utility for (almost) all your files. You can email your ninja answers files to friends, family, associates, work colleagues, or simply admire his wisdom for your own personal use while your on the move or from the office or even at home. - All you need to do is, "browse" for your file on your computers harddrive and click "Send this file to a Ninja" from there you can email it.