Home » BBC News - Technology » technology news » South Korea trials wireless seat alerts for pregnant train travellers South Korea trials wireless seat alerts for pregnant train travellers Unknown 1:39 AM BBC News - Technology technology news A bluetooth system that alerts underground train users to give up their seats for pregnant travellers is trialled in South Korea. from BBC News - Technology http://ift.tt/1U25NSE Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati