Even those who can't be bothered to categorise their contacts can use the automatically-generated ones, based on family, location and college/workplace. It's ve

Even those who can't be bothered to categorise their contacts can use the automatically-generated ones, based on family, location and college/workplace. It's very freeing to be able to ask only close friends in my city if they want to see a movie, or link only those that I have put in the "Techie" group to a great article I found on Hacker News.