[Jared Hartzell]

The button will work great on a desktop computer as well. You only need to sign in to YouTube and the button will upload it for you under your account privately (unlisted by default), where only those with the link can view it. To store videos here directly, a data center would need to be setup which can quickly turn into a very expensive forum to run. Images are also stored by a third party, they just don't require an account sign-in.