Eager to cut through the hype engulfing Twittwe, some Tefal heads at Harvard Business School have done somerather clever  research into how the microblogging tool is actually used.
First of all, despite what you may have heard, it turns out that Twitter is not the most important invention since fire and, surprisingly, will not bring about [...]

The way to use Twitter to spread a message is to target your audience, identify exisitng networks of interest make sure that your message is relevant to them.