With the Swapcard iOS app, it's possible to share a link to a Session, an Exhibitor, or an Item outside of the Swapcard app (social media, Whatsapp, etc). This is not yet available on Android.
How to:
For this, you need to open the Swapcard app and navigate to the content you want to share. Once there, you simply need to tap on the top-right sharing icon and select where you want the link to be shared, as shown below: