Informal form of address, like in Sweden?

Sweden successfully implemented its "du reform" forty years ago. Now a debate has erupted in Estonia about whether using the informal 'sina' for addressing people should become official practice, like in Sweden. Ignar Fjuk endorses this move: "We felt a strong bond with each other when we stood side by side during the singing revolution. Back then we were just one big, happy family in which all members could say 'sina' to each other. I feel somewhat uncomfortable using the formal 'teie' to mark a certain distance during a friendly conversation. Regardless of their age, sex or status, I prefer to look people in the eye and ask them directly using 'sina': 'How are you doing? How can I help you? I don't like using the formal 'teie'."

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