Links
You can set links depending on the user path so that your ad presents the right content to the person you are talking to.
Opening
Your link can be opened:
In a new tab
In a WebView, just after the format
Button
Your link will be presented as a nice call to action, with:
A label
An icon
You have two distinct labels for every link:
A small one, used where the link is in a restricted space, like below question propositions
A big one, used where there's room for a big call to action