Real world connections, such an important aspect of differentiation and of creating meaningful contexts to increase motivation and memorability.
Here in the UK these free CS4fn material are popular providing context and interest. Have you seen them? Created by Queen Mary University of London. Here real world research and uses of computer science are packaged for teenagers in magazines that are sent to UK schools free of charge.
You can access them online too.
There are back issues with a huge range of topics, that can be reviewed by learners to find areas that interest them most.
Here is one about wildlife and computer science (particularly birds!)
This one is about magic!
I have register an interest here as I am doing a PhD at Queen Mary and help out on the magazine. It is all free, its part of our reach activity - so no advertising or hidden stuff - just computer science for fun (cs4fn)
Also the new BBC Microbit and the whole physical computing idea is prooving to be very popular here, with learners thinking about the Internet of Things and creating their own physical projects.