In one embodiment, a method includes accessing a first instance of content to be uploaded to a server, generating a second instance of the content from the first instance, automatically uploading to the server the second instance of the content, and automatically uploading to the server the first instance of the content in response to occurrence of a pre-determined upload condition. The first instance has a first file size and the second instance has a second file size that is smaller than the first file size. The upload of the second instance makes the content available for access at least in part by one or more second users at an immediate point in time. The upload of the first instance of the content makes the content available for access by the second users in an original version.