They’re Called Retrievers for a Reason
(To be read in a grumpy old man voice): Back in the day, when we took a "picture", we never really knew what we were gonna get. After you turned the little wheel on the camera to advance the "film" 15-30 times, you opened the back, took out the "little roll," and dropped it off at the "drugstore" to be "developed." Then, days, weeks, months, or even years later (my grandmother forgot film she'd taken in until the store was going out of business 5 years later, and they called to give her one last chance to pick it up) you'd pick up your "pictures" in "glossy" or "matte" finish, in an envelope with along with the "negatives." Then, you'd go home, open it up, and discover that somebody blinked in nearly every shot. Others were blocked by someone's thumb, and the rest could have used a "flashcube." Now, you have to go buy more "film." And, don't even get me started on movie cameras and the Rockefellers who could afford those...
(Back to my voice): The reason I bring all that up is to contrast it with today. Now, we take thousands and thousands of photos that we can do over and over again until they're perfect, and taking video is so easy, and so convenient, that we can use it to find out why golden retrievers are called retrievers.
I know. A long setup for a cute vid: