code: function (uri, success, responseText, d) {
              if (success === true) {
                for (var triple in d) {
                  kb.add(d[triple].subject, d[triple].predicate, d[triple].object, d[triple].why)
                }
                xupdateSubmit.disabled = false
                xupdateStatus.value = ''
                mbLetterCount()
                notify('Microblog Updated.')
                if (that.thisIsMe) {
                  doc.getElementById('postNotificationList').insertBefore(that.generatePost(d[0].subject), doc.getElementById('postNotificationList').childNodes[0])
                }
              } else {
                notify('There was a problem submitting your post.')
              }
            }
docs: let myUser = kb.sym(mb.getMyURI()) submission callback