Tineye has been able to do this black magic for a while [1]. I understand what they're saying they do, but it's too high level for me to grasp what algorithms a

Tineye has been able to do this black magic for a while [1]. I understand what they're saying they do, but it's too high level for me to grasp what algorithms are being used. [1] https://www.tineye.com/faq#how https://www.tineye.com/faq#how EDIT: Part of the black magic. This doesn't explain how they'd stop someone from using a random picture of you on the net.