Embedded content Thank You-page
When your visitor has placed has pasted all the steps to place an order he will get on a "Thank you for your order" page or something familiar. On this page you can let the algorithm of Datatrics add some products which are based on his just bought product. This way the visitor could think to buy that product as well.
How to implement this?
On the "Thank you for your order" page you can add an Embedded touchpoint where you would like to. Within Datatrics you can let the algorithm decide what to show, but you could set it to items he or she just had in his cart. Based on that you can show, for example, frequently bought items together on that page to seduce the visitor to continue shopping.