You know a brand's got it right when a candle that captures the essence of a box-fresh Mac sells out in under two hours.

One of our most popular recent blog posts touched on Apple's talent for generating customer delight. So we were tickled to read in The Independent that a manufacturer of Apple accessories has struck a chord with the brand's loyal fans with its "New Mac Soy Candle".

The candle will burn for 45 to 55 hours, according to the company, which is significantly longer than the scent of a new Mac usually lasts.This got us thinking about those companies that have an "olfactory logo"

Your sense of smell is the only sense directly connected to the part of the brain that processes emotion, memory and associated learning. That means you're 100 times more likely to remember something that you smell than something that you see, hear or touch.

What would your brand's signature scent be? If the answer's "cabbage", maybe you're ready for a refresh!