Offices can become home to strange collections of objects.
Looking at the promo copies, professional samples, desktop detritus and attempts to personalise a deeply impersonal environment, most of it is useful in some sense or at least harmless.
Some things, however, are a sign of impending doom. Others are a sign that doom has already arrived and is hot-desking just ten feet away.
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So you don't get caught unaware, here are 15 of them and why they fill us with terror. Allow us to explain through the medium of the slideshow: