Felicitas Arias of the International Bureau of Weights and Measures suggests we stop adding leap seconds to coordinated universal time... (newscientist.com)
UTC — the reference against which international time zones are set — is calculated by averaging signals from around 400 atomic clocks, with leap seconds added to stop UTC drifting away from solar time at a rate of about one minute every 90 years. (scientificamerican.com)
The US Global Positioning System ignores leap seconds for just this reason, and Russia's GLONASS system has had problems in the past incorporating the leap. (scientificamerican.com)