most_recent_update = note_activity.updated_at
|> NaiveDateTime.to_iso8601
- res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> IO.iodata_to_binary
+ res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> to_string
user_xml = UserRepresenter.to_simple_form(user)
|> :xmerl.export_simple_content(:xmerl_xml)