New listener and interaction: recently viewed items

Recently viewed items listener 

This listener will store the last articles or items that a visitor viewed. You can specify the max number of articles/items to store and how long they should be stored. This property is not only usable to be able to target people that viewed specific items recently, but when displayed in a profile property insight it also gives a good overview of most popular and trending items on your channels

Recently viewed items toolbar button

This toolbar button enables you to insert a list of recently viewed articles or items (collected through "the recently viewed items listener”)  inside a dialogue.