A guest blog by Steven Healey

Twitter is opening up new ways to quickly communicate with the world.

Whenever you send a public messages it can be seen by millions around the globe , and of course by your intended audience.

Your tweet can be found on Google and will stay there as a permanent record of what you tweeted. It also appears on web pages designed to collate tweets.

It started as a simple status message .. ‘What are you doing’ ?