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Enough about databases for now but let's stick to storing data and let me dive into some mechanisms

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of storing data in memory or even on the client side,

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so in the browser. And for that in this module, we'll have a look at the sessions and cookies,

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two important constructs or technologies in web development in general which you can of course also

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use in nodejs. Now in this module, we'll have a look at what exactly cookies are

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and of course what exactly sessions are and then how you can use both and how you typically use them

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together.

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So let's dive in and let's understand what these things are and how we can add them to our project and

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why we would add them.