You can upload your iPhone videos to YouTube, first of all what you need are a YouTube account. Sign up to a YouTube account, follow the simple steps below

• View your iPhone video by going to the Photo gallery and in Camera roll.
• Click on the little box with an arrow sticking out in the left hand corner.
• You should now get the option to Email video and Send to Youtube, click on the Send to Youtube button.
• Log into your Youtube account and tap Sign in.
• Enter the Title, then a quick description, tags, and then choose a Category for your video. When youre finished with all the description stuff, press the Publish button on the top right hand side.
• The iPhone video will now upload to YouTube, give it a few minutes until you see a dialogue box that comes up giving you the option to View on Youtube or Tell a friend.