In an age where every gadget going appears to have more than one use, we often yearn for the days when a phone was just a phone, and a pen was just a pen.
Unfortunately that's not the world in which we live.
Even the humble writing device has become a multi-tasking uber-gadget capable of telling the time, cooling you down, recording your voice and firing rocks at your enemies.
In reluctant celebration of this diversification of gadgetry, we've compiled our 9 favourite gadgets which are also pens - or, rather, pens which are also gadgets.
Take a look, and let us know which ones we've missed in the comments.