Our society was cold and impersonal long before the tech came along that catered to that mindset.
I think that this modern technology has warmed things up quite a bit! I can easily send a message to almost any of my friends/family anytime I want. In fact, I am currently texting back and forth with a friend 3 states away, while we are both at work... making plans to get together over the holidays.
I was also talking on my cell with my son (on his cell) yesterday, I was in the backyard adjusting the antenna, he was in the living room telling me if the TV reception was getting better or worse.
The technology isn't cold, people are!