I guess if we are really smart we won't actually make too much rubbish, but at the moment we can't escape it. We buy stuff, and it comes with extra stuff we don't actually need and we throw that away (hopefully recycle it.)
There are actually smart bins on our streets today and there could be smart bins in our homes if we really needed it. Have a read below and see more about these smart devices and see if you could have a need for something similar in your home (or office, factory, school, etc.)