To upload a new video, touch the large "New" button on the home screen.

You will see icons appear for "New" and "From Device".

Touch the "New" icon and the IPhone camera will be shown.

On iOS 4, the camera defaults to use of the video camera. On iOS 3, you need to change the action to video camera.

Click the big red record button to start recording and touch it again to stop recording. 

If you like your recorded video, touch "Use" to use the video. Now you can play the video to see if you like it. If you want to edit, use the visual editor at the top of the screen to edit your footage. When you are happy with the video, touch "Save".

Add a text Title to your video and an optional description.

Swipe the "Share" button (set to "ON") which is below the title and description area so that it shows "OFF".

Touch "Upload" to upload your video and it will soon appear in your "Uploaded" area.

You can track the upload status of your video via the arrow icon at the top of the Home and Uploaded pages, or by clicking through to your profile page where there is an Upload Progress area. Once the video is uploaded allow time for it to be transcoded and it should appear shortly in your account.

Once uploaded, you can share your video to mobile users or post to Twitter or Facebook.