An Assa Abloy lock and key are displayed in a shop in Riga, September 19, 2013. Despite the rapid pace of technology that has overhauled many consumer goods, the front door lock and key is little changed since the 1800s. That is about to change - to virtual keys in data clouds, if the world's biggest lockmaker gets its way. Assa Abloy, which makes one in ten locks worldwide, is the muscle behind brands such as Yale. Picture taken September 19, 2013. To match feature SWEDEN-ASSAABLOY/ REUTERS/Ints Kalnins (LATVIA - Tags: BUSINESS)