MALES. IF stuck for something to talk about with other equally awkward males at social gatherings, simply pipe up about a random A road or motorway that you crossed on your journey and mention that it was 'quite busy.' This will spark off an exchange of similar road themed anecdotes that should last until hometime.
HELP TO replenish the world's oxygen supply by taking a deep breath of city smog and breathing out near a tree.
PHOTOGRAPHERS. Confuse Boots employees by taking pictures of your negatives and developing positive negatives.