Introduction
In 2004 Tartu City introduced single help number 1789. This phone number provides you answers for all city-related questions. Also globally pioneering crowdsourcing approach was introduced - citizens are encouraged to call, SMS, email any time and report about the non-working street lights, broken park benches, holes in the streets, etc. All complains and messages are organized and forwarded to the service providers, service providers their performance is monitored against the service level agreements.