continue supporting the
      JSON Activity Streams 1.0 syntax but ought consider it to be
      deprecated.  This means that while implementations can continue to
      consume the 1.0 syntax, they should not output the 1.0 syntax unless
      specifically interacting with older non-2.0 compliant
      implementations.
    </p>

    <p>
      Specifically:
    </p>

    <ol>
    <li>
      Implementations can use the "<code>application/stream+json</code>" MIME
      media type when producing a JSON seriali