https://www.linkedin.com/pulse/how-properly-credit-photographer-erin-bhoorasingh/
It is very difficult to keep track of photography assets in the digital age. Images are accessible to everyone by downloading and screen-grabing. The point is, these images belong to someone and it very easy to "share the love" and making sure you let people know where they came from. It's easy and takes no time at all. I found this amazing and short article on Linked-In the other day written by Erin Bhoorasingh (http://www.GrandLensPhotography.com) on how to give proper photo credit on print, social and other digital agencies. Check it out:
https://www.linkedin.com/pulse/how-properly-credit-photographer-erin-bhoorasingh/