The technology that links cars and smart phone was valued at $ 18 billion in 2012 and will be increased by three times. The global companies are now turning their guns to link cars and smart phones. Apple have introduced the car play platform this March at the Geneva auto show, where Ferrari, Mercedes-Benz and Volvo showcased the technology that enables hands free use of an iPhone. Inside the car, Apple and Blackberry are collaborators rather than rivals. QNX operating system from BlackBerry has become the technology of choice for mapping communication and entertainment systems in cars. QNX continues to make inroads with automakers.