SAP has created a tool that displays tweets inside PowerPoint, with lots of variations and customization options. It’s a way to interact with the back channel while you’re presenting in a very cool way. For example, you can enter a search term and current tweets using that term will appear on the slide. Or show as a ticker along the bottom. You can even poll the audience by telling them to tweet their choice of options.

Tweets inside PowerPoint
You can download it here. (Update: This tool may no longer work. See the comment on the linked page.)
Great article.
Twitter is a great way to increase your brands awareness, but it is also very important to have the correct type of followers – they have to be interested in what you have to offer.
So somebody who blogs about home improvement, and somebody who tweets about the NASA space station do not have anything in common via Twitter.
The motto is simple, make friends who have something in common, just like you would in real life :).
Regards,
Lyndon