Want your own video viral hit? What you'll need is a cute dog, a cute girl and a camera. The cute dog will need a talent of some kind, the cute girl the ability to order said cute dog about.

The result? A video a lot like this one, where a cute girl and a cute dog interact wonderfully, with the pooch picking up a receipt from the printer at the girl's request before trotting off with his doggy friend to deliver the receipt to a customer.

Online for just one day, it's already nudging one million views on puppy and veterinarian receptionist power alone. Very impressive.

It's so popular, in fact, that a series of parody videos have already emerged online, with the best of them being this truly bizarre Jim Carrey impersonation number we've got for you below - though let's be honest, it's probably not as weird as some of Jim Carrey's actual videos...