This is one of those topics I'd mentally filed under "dull geekery" and studiously avoided investigating. Now, with the sort of compulsion normally associated with picking at a scab, I feel compelled to discover more about them.
So what are they? More pressingly, what's the point of them? Explanations, personal experiences, amusing anecdotes- all are invited. I promise I won't laugh.
So what are they? More pressingly, what's the point of them? Explanations, personal experiences, amusing anecdotes- all are invited. I promise I won't laugh.
Comment