Yes, we got the memo - Roombas are trendy and Dysons are chic yet practical [1] - check. But what about a vacuum that you could throw on your back, that's free from the constraints of irritating cords and a heavy base?!

I bring you the BacVac [2], a smart concept design created by The Continuum studio, which I spotted on Trend Hunter [3]. This backpack-style vacuum cleaner is powered by an onboard fuel cell that would be replenished with ethanol. Hmm, they had me sold until the ethanol part!

Check out a full picture gallery below!