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Two very helpful websites for working with your friends, colleagues, and requesting help in the Ubuntu forums (and chats) are the Ubuntu Pastebin and Imagebin websites.
Pastebin works for text related items, such as meeting minutes, error messages, and so on. Imagebin is the same thing but for images. Easily upload your content and a webpage with your text or photo will be available for you to share.
Let me test it out with an image Ive uploaded and now can easily share with anyone...
Please save those first two links if you havent done so already. They always come in handy!