In class brainstorm two products and or services that would benefit through their combination and improve a users life or alter their behavior. Create mind-maps and sketch ideas in your sketchbooks.
For inspiration here are a few clever products that merge two technologies and alter behavior.
http://mashable.com/2014/01/07/whirlpool-cooking-concept/
http://mashable.com/2014/01/07/lumo-lift/