Ok, but how is that different than a link? Are you saying that inserting a tilda will tell the mobile app to link to something? Sorry, I don't see this solving any problem. I see it just adding another layer of complication to a system.
it is different than a link in the same way that @ will link to a user. The ~ will trigger the list of my object to share. You know when in Instagram you start typing @ it return the list of user you want to mention? Same goes with the ~ but it return the list of the object I've posted