How about computer language and Internet-culture? I think ever since information is able to travel from point A to B quickly enough, we've opened up a world culture in which the sum of all human knowledge becomes a better yardstick anyone can tap into compared to isolated experiences / cultures in the past.

So I guess this 3rd language is already seeping in through everyone's mobile phones. Some call it nettiquette, but it's always a work in progress. Plus, add currency to social networks and all of a sudden we've something different, but same at same time. Thought-provoking write-up @blackpanter. Welcome to Steemit by the way!