http://drownedinsound.com/community/boards/social/4427778#r7417347

That post, and a bit more below:

The increased atmospheric exposure of the chocolate within a Twirl must be responsible for the increased enjoyment when compared with a standard Dairy Milk. Flakes are a bit rubbish too, always seem a bit too dry and crumbly, whereas the Twirl gets it spot on. Spiras were great too, don't do em any more though do they?

Talk about choklit here.