I agree with Bernie when he says "The opportunities for businesses to use Twitter are plentiful. Individuals within your company can create a Twitter profile. They can post comments about things that are happening in your company or your industry. They can search to find and follow people who share common interests by searching in Twitter using relevant keywords."
If you are considering starting a Twitter feed for your small business, there are helpful FAQ's on Twitter for a good overview.
Jason Hiner over at Tech Republic recently posted "Techies: The top 10 people you should follow on Twitter". There are much more than 10 on his list which is definitely worth looking at.
You can now follow Minicom on Twitter: http://twitter.com/Minicom_IT