The first thing that hits you after your campaign has ended is that suddenly you need to think a bit more long term. Instead of planning in hours and days, you need to start planning in weeks and months. And then you revisit the delivery plan you made before you started your campaign and discover its pretty useless.

Things can change so much (in our case mainly because of scale) and the extent of the whole thing can look completely different. So, the first thing you realize is: Your delivery plan needs to be rewritten.
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