The lesson of the video below can be summed up in one very simple phrase: always pay attention to your surroundings. This photographer didn't, and he got called out on television for his lapse.
Here's something that both photographers and the typical millennial have to look forward to in old age: Your memory is going to suck because of all the photos you took when you should have been paying attention to what was happening around you.
That's the upshot of a new psychological study that finds you can have a good photographic record of an event or a good memory, but not both.