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README.md

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   <summary><b>Netlify Dev vs. Netlify-Lambda</b></summary>
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+  ### You can see how to convert a Netlify-Lambda project to Netlify Dev as well as why and how they work together in [this 48 min video here](https://www.youtube.com/watch?v=sakKOT6nkkE)
 
 [`Netlify Dev`](https://github.com/netlify/netlify-dev-plugin#what-is-netlify-dev) is incrementally adoptable. **`netlify-lambda` is still recommended if you need a build step for your functions**, as explained here: