"You pick the people and key in your message," he said.
Once you do that, type in your message and then choose the color you would like your type to be.
We'll ask you to include a keyword or tag in your message so we know which topic it refers to.
To take part, tweet your thoughts on the chancellor's speech – which starts at 12.30pm – and include #budget in your message.
So get ready, Twitter users: you are going to see more ads in your message stream, especially if you live overseas.
You are also free to say whatever you want in your message, so you don't have to feel like a total shill.
"To people who troll on the Internet for fun, consider your words and actions conveyed in your message and who it might upset or anger.
You may also see Twitter become more like a flash-sale site, with offers to buy products appearing in your message stream along with a way to buy them with a quick click or tweet.
If you use a typed message that employs the robo-voice, you can type &FIRSTNAME in your message at the point you want callers to be addressed and the the message will acknowledge them by name- Hi Bob".
Type in your message, and you're almost done.
You imply in your message that you have exhausted the usual avenues.
