The major characteristic of iStock is the wide variety of high-quality royalty free stock photos and illustrations created by talented authors for the service's clients only. We have got a full iStock pricing analysis here as well.
iStockphoto offers its customers large volumes of totally unique and exclusive content, which was generated by authors carefully selected by iStockphoto team. Only the most highly skilled photographers and illustrators get the chance of cooperating with iStockphoto as exclusive authors, which guarantees a very high quality of exclusive content. A small crown sign () on the description page of an image means that you have reached exclusive content.