If you really want to bring the ideas from the customer into consideration, then a customer idea management program will help you gather the ideas from customers. If your business is not that big, then too you will be able to gather the ideas from various customers in a more systematic way.
If you want to know more about Customer feedback software, you can check out this source: The Worlds Best Customer Feedback Software, Get Jago.
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The customer feedback software will create a space where the customers will be able to provide their feedback and at the same time, they will be able to add their own ideas for making the product or the service better.
You can make this a social site where your customers will be able to exchange their opinions on the product or service. There are companies, which will provide you with both the software as well as the system. Based on the customer feedback software, you will be able to set up a social site.
You can arrange for entertainment or games for your customers so that they are attracted to the site. Then you will be able to gather the ideas in a systematic way and use them to add dynamism to your company.
You can also add a voting option for the customers where they will be able to vote for their favorite ideas and the most popular of the ideas will come up. Thus, you can prioritize and analyze the ideas and put them into use. This is workable for both you as well as your customers.