Understanding features is one of the first step towards doing your own PR. Seasonal features come and go in a much more irregular fashion than the everyday press features do. But surely that's what makes them so much more important. They're like gold mines - everyone looks to them like the bible. Think about it, what do we do when we cannot find the Christmas gift for that brother of your mum's you only see once the family gathers? We turn to that all important, one issue only Christmas Gift Guide.