That caught my eye too, and I guessed on Twitter that it might be a typo/under-explained. Somebody from Tumblr (though on a different team) was nice enough to

That caught my eye too, and I guessed on Twitter that it might be a typo/under-explained. Somebody from Tumblr (though on a different team) was nice enough to respond and guessed that it was because all media on S3 was not counted. https://twitter.com/#!/adamlaiacano/status/169140791732740096 https://twitter.com/#!/adamlaiacano/status/16914079173274009...