As has been said before: e-mail. I moved to Canada from Spain but go back from time to time, on holidays. Every time I go, I pick up the list of people I want t

As has been said before: e-mail. I moved to Canada from Spain but go back from time to time, on holidays. Every time I go, I pick up the list of people I want to see and send them an e-mail. Has worked every single time.