It may seem strange to call 1,125-foot skyscraper efficient, given the energy it takes to build such a monumental structure.
South Korean police have raided Google's Seoul office after the search giant was accused of illegally collecting private location data from mobile users via its AdMob platform.
Those riding buses in South Korea now have a greener option available to them as the Seoul Metropolitan Government recently announced it had begun commercial operations of full-size electric buses on its Mt. Namsan circular routes.
What's being called the world's first On-Line Electric Vehicle (OLEV) has been introduced in Seoul.