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It's always tempting to allocate objects on the stack, but there's a good reason why you shouldn't allocate large ones if you care about your application's memory footprint: the stack space you use is used forever, even if you don't need it anymore.

Now you might be wondering, wait a sec, I thought that stack variables are freed when they go out of scope, right? Well, yes and no. Let's talk about this. 1/8