1. You will be able to communicate with their visitors. Will begin to trust you and know you on a personal level. People buy products quicker from someone you know and trust.

2. People go back to your website to participate in the discussion forum or chat. They will meet other people with similar interests and your website will become a time can talk.

3. You can get important information about your visitors by reading the conversations they have. They can talk about your site or products. With this information you can learn to market their products more effectively.

4. You could answer the questions visitors ask in your online communities. You know yourself as an expert to provide answers to your questions. This will give you and your business more credibility.

5. You can teach a class online games with your chat room. This will give you an expert status and increase traffic to your website by offering the free class.

6. When the discussion board or chat room becomes popular, you could sell advertising space on them. This will give an additional revenue stream for your website.

7. You can network with other companies to have a chat room or discussion forum. You can exchange business ideas, leads, advertising, etc.

8. You could allow other websites that do not have a discussion forum or chat room to use yours. You will get free advertising by allowing them to link to your online community.

9. When you have a discussion board or chat you can get free advertising by listing directories in the online community. You can also join web rings with similar discussion topics.

10. You can make money by advertising their products and services in the discussion board or chat. You can also participate in other affiliate programs and advertising commissions to them.