There are some totally mind-blowing, unforgettable, print-off-and-put-next-to-your-desk pictures which are taken everyday.
Just look at the Tibetan protester setting himself on fire, Madonna's slightly too skimpy shorts, or Titanic director James Cameron emerging from the sea following his historic mission to Mariana Trench.
Then there's a whole crop of photos which you'd understandably forget ever clicking on. The stock image.
From the trusty gas ring which is used by media companies across the world, to a grizzled pair of old lady's hands, to the ever faithful for sale signs, these pictures dig journalists out of holes on a daily basis.
Here's our selection of the most used stock images: