function generateGravatar(hash) {
        // TODO: Combine with makeapi-webmaker.js into universal module
        var DEFAULT_AVATAR = 'https%3A%2F%2Fstuff.webmaker.org%2Favatars%2Fwebmaker-avatar-44x44.png',
          DEFAULT_SIZE = 44;
        return 'https://secure.gravatar.com/avatar/' + hash + '?s=' + DEFAULT_SIZE + '&d=' + DEFAULT_AVATAR;