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    "## Inter & Intra Parallelism\n",
    "\n",
    "Chaining `.add()`s creates a sequential Flow. For parallelism, use the `needs` parameter:"
   ]
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    "from jina import Flow\n",
    "\n",
    "Flow().add(name='p1', needs='gateway') \\\n",
    "       .add(name='p2', needs='gateway') \\\n",
    "       .add(name='p3', needs='gateway') \\\n",
    "       .needs(['p1','p2', 'p3'], name='r1')"
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    "`p1`, `p2`, `p3` now subscribe to `Gateway` and conduct their work in parallel. The last `.needs()` blocks all Pods until they finish their work. Note: parallelism can also be performed inside a Pod using `parallel`:"
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   "source": [
    "Flow().add(name='p1', needs='gateway') \\\n",
    "       .add(name='p2', needs='gateway') \\\n",
    "       .add(name='p3', parallel=3) \\\n",
    "       .needs(['p1','p3'], name='r1')"
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