The most useful form of time travel would be to go back a year or two and rectify the mistakes we made.
There's no need to travel further. The Los Angeles area is big enough for us.
I would absolutely love to go back to the simplicity of the '80s where there wasn't texting social media iPhones or smartphones. I love the fact that you would go home and check your messages. I'm not well suited to the world of modern technology.