I once sat in a meeting of project and business updates and suddenly one of the directors said, actually with all that we have now we can be in the medical device market. Violaaa!!! This medical device company used to service government hospitals and they have all the equipments. It's just that they never thought of going direct to the hospitals and take the lion share of the business. In that meeting, after going through the company yearly updates, this "innovation" came instantaneously and the next year they are pitching about it to the government hospitals directly.
Marketing plans and strategies are ever_evolving and have to be drawn up to fit the situation and its specific needs. They are required at whatever stage a business might be. Whether you are a start_up or an established business, you must have an effective marketing plan. To have a successful marketing plan, you will have to consider the following essential elements