Don't know if they do this every year but Twitter are anticipating the John Lewis ad storyline - some very clever, caustic, accurate offerings. Parody imitating life, or Art, or whichever way round it is. #GuessTheJohnLewisAd

Nb The only reason I'm posting anything about Christmas is that I'm having mine in November. I'm on Day 8 of an advent calendar; come December I'll be unjingling all the way. Clever, eh.