I find that the act of taking those pictures helps me remember the scene better. It's like back in school days when some professors allowed students to bring a

I find that the act of taking those pictures helps me remember the scene better. It's like back in school days when some professors allowed students to bring a small cheat sheet or card to the exams -- it's not so much the fact that you are allowed to bring auxiliary memory, but the act of preparing those notes helps you study better. I rarely made use of those cheat sheets during exams, and I rarely take the time to review old photos that I have taken. I also bring a camera just because it feels like a security blanket of sorts, because you never know if something is going to come up, and the phone's wide angle lens might be insufficient.