Next time you get a present you don't know what to do with, take a moment before you immediately chuck it in the bin.
Otherwise, you might be missing out on a savvy way to annoy others - and you wouldn't want to do that.
When Twitter user @oscarwilde (not the playwright) received a comically large pencil as a gift, they resisted the urge to stuff it in a drawer and forget about it, instead coming to the delightful realisation they could "ruin someone's day".
It took time and dedication, taking it to lecture after lecture.
But now and then, it worked - and the payoff was worth carrying round a basically unusable, huge pencil.
People shared their own ridiculously sized objects.