1. Help companies with their existing social media marketing, why because it helps you also.
2. Tagging and other metadata improves the measurement and spread of your information.
3. Use twitter to build your companies personality online
4. Understand that bloggers might care about your customer.  Learn and use their influence to spread your message.
5. Understand which social media websites your customers use and do business.  You can start a community group on Ning, MySpace or LinkedIn.
6. Build your email newsletter content with additional content about your website, providing click through traffic.
7. Learn how people on social media sites are talking about your customer base.  This will help you target your customer.
8. Can you reach more customers and buyers of your service and product.  Learn how your competitors communicate with these customers.
9. Research whether your product or service sells better by recommendation and what would be the best social media sites to connect with your target market.
10. Social media is powered by people.  Learn how to connect with these people through social media.
11. Apologize to your customers if you’ve made a mistake.  Your customers will value this.
12. Spread the good idea and good work of other companies, through your social media activity.  This will build your credibility.
13. Explore your target markets viewpoint of social media.
14. Remember  social media sites such as Facebook, Twitter, LinkedIn etc help push your web presence
15. Build and communicate your business ethics with the use of Social Media, it will pay dividends. 
16. Deliver quality content on your blogs and your site.  It will help your customers feel valued and educated.
17. Remember that the more ways that you can spread the content using social media the better.
18. Understand the technical quality of your website and how you can communicate this.
19. Understand where your websites traffic comes from and benchmark your competitors site.
20. Last of all, learn how to communicate with the wider world and your customer base using social media before you start using  it.

Remember there is more that 20 ways that Social Media can be used to improve your sales…..this is just a few.