Re_formulating objectives: after the close examination of data gathered in the previous stage, sometimes it is needed to re_formulate the initial objectives, in order to address all the issues that might have come up from the previous stage. The distance between the initial objective and the re_formulated objective will be covered by appropriate strategies. We must ensure the re_formulated objective is SMART as well.
Imagine if you can do all these and manage all these in a marketing plan? Systematic, organized, well thought, innovative and captured all your pertinent business information, don't you find having a marketing plan is useful for your business?