Log into your GeoSnapShot account
Then select "My Events"
Select tab "Recent events"
Click on "Manage" for the event you want to edit
On this page, you will find a tab called promotion, click on this and you find then have two tabs with promotional information, pre and post event. You can find your event quicklink here (the quicklink is the same for both pre and post event promotion, it is just the suggested wording that differs to suit the timeframe.
You can use this link to share on social media or in any after event promotional activity.