The final phase of this process is to celebrate and innovate.
Celebration and innovations are about publicly sharing the success of your campaigns, rewarding the people who made it all possible and looking for ways to make it better next time. There's always a temptation after a campaign to roll up your sleeves and do another one. It's quite addictive when you experience the buzz of a campaign and end up oversubscribed.
But if you do that, you'll have missed a crucial step. You'll repeat mistakes and have failed to retain valuable assets.
Instead of rushing straight into the next campaign, you must complete this final phase. You need to hunt down the stories, capture the numbers, ...