No, your subscribers are not able to upload videos to your channel.

You are the only user that is allowed to make edits or upload content to your channel. All other users will simply be able to view your channel--and if they are a subscriber, watch the content you have published on your channel.

The camera icon in the global nav, (that button you use to access the creator studio tools for your channel and manage your channel's content) is simply a tool where creators go to manage their own channels. As Special is an ecosystem of creators and subscribers, there is a very good chance that some of your subscribers will manage channels of their own, or be interested in starting a channel of their own. These users will use this camera icon in the global nav to access and manage their own channel and associated content.

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