So, Belle De Jour turns out to be a research scientist from Bristol. Techcrunch this morning speculates this unveiling may not be entirely of her own volition. Dr Magnanti went to massive lengths to protect herself including setting up shell companies to handle the proceeds from her book and TV transactions. But it seems there may have been an ex with an agenda and thus we find her in the papers on her own terms rather than on someone elses.
Secrets are difficult to keep in the internet age, but at least all Belle has to endure is some annoying newspaper articles and a few sideways looks in restaurants. I once knew a man who infiltrated the IRA. The penalty for discovery was death. His RUC handler had this aphorism for his continued survival as a spy: Never even tell your best friend. For your best friend has a best friend.