Twitter could become larger than Facebook in numbers of users multiplied by numbers of messages. President Obama has 336,000 followers, and Twitter was key in his election victory. During the Mumbai terror attacks, Twitter members gave second by second updates, used by the BBC.

Twitter is the third largest social networking site after Facebook and MySpace. 7 million accounts by April 2009, increasing by 0.5m a month. Impact on communities, business, marketing, media and government.

What are the secrets of success on Twitter?  How can I build up a large number of followers?  What is the best way to communicate as an individual or a corporation?  How can I use Twitter in marketing or to keep in touch with customers?

The 10 step Carbon Diet to save our future

Expect much of our world to adopt a strict carbon diet.  As with any diet you can eat what you like from time to time.  It’s the overall balance that really matters.  So with carbon dieting we can expect people will make choices.  We may chose for example to continue to burn a lot of carbon in planes, but still be carbon-light because so little carbon is used in future in heating our homes or driving our cars.   CARBON DIET - 10 letters in the two words describe 10 steps.

Short summary of global warming research and important issues - based on the memorable mnemonic GLOBAL and WARMING.