Plus, he adds, most of the images Adobe adorns with watermarks have resolutions too small to use widely, anyway. For starters, Koch says, it's rare for Adobe to come across widespread breaches in licensing. "It's a very small threat," says Zeke Koch, a senior director of product at Adobe Stock. Though companies like Shutterstock have incentive to protect themselves against technology that could put their content at risk, there's no reason to panic. As a result, the algorithm is less likely to be able to remove the watermark without leaving a visual artifact behind. These sight variations make it significantly harder for Google's algorithm to correctly estimate where the watermark is in the photo. "It's really subtle if you see it with your naked eye, but if you look closely you can see they're all different," Mahmood says. It also adds a contributor's name to the watermark in order to increase the complexity of the text. Before creating a composite of the watermark and the original image, the software slightly tweaks the shape of the letters in the logo, adding a little bulge here and a slightly sharper curve there. Knowing this, Shutterstock created an algorithm that warped the company's watermark logo in a unique way with each application to a photo.
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