One of the many uses of trinket.io is engagement and measurement. For example, If you're teaching a class on Python, you could simply paste a trinket into your blog or website, and then, with each session opened by a client, the visitor has their own interactive Python environment.
When participants have finished the assignment, they can share the result on Facebook, Twitter, Google Plus, Linked In, Reddit, or Hacker News. Pretty cool, don't you think? This portable Python environment really changes everything. It's a whole new way of engaging with the user group.