Best Answer - Chosen by Voting
It is different of course. Indeed planning is vital! An unorganized business can cause a lot of managerial problems, that may result in a great loss for the business. Everyday, a new science is discovered, and in a more developed way to help making the business environment more effective.
Planning doesn't only helps business to be effective, but also how to be effective in an efficient way ( with the most lower cost and time)
The golden rule of every successful business is, to have a strong ground rule and a well established business plan- to know where you are, where you want to be and how-.
Well, that's only my humble opinion of doing business :)