This has been a thing for a while, taking photos in-game as a “photographer” would.
GTA V has the instamatic, but it sucks as the resolution of the image you eventually can download from the social club is naff, but with the PC, xBox and PS4 all having capture hotkeys/buttons i can at least capture HD “photos” when using photo modes or in-game cameras.
so, keep an eye out on the instagram, Twitter, and eventually Flickr too for my in game photos.