If you use Blogger to blog as I do, and you have an Android device, you might want to check out the Blogger application for Android. You can use it to blog on the run! I do admit that typing on a virtual keyboard is not conducive to long posts, but a brief note is very feasible. This gives you the ability to use a short break to post a quick note from virtually anywhere, at any time.
It's available for download from the usual places for free.