The usage of mobile phones has become ubiquitous in our daily lives. In developed regions every individual has a mobile phone and its penetration is drastically increasing in developing countries. Initially, the size, weight and battery life were the key metrics directing a user to buy a mobile phone. Nowadays, users’ choice is motivated by the number of possibilities the mobile device has to offer. Internet access, social media connectivity, camera, video and music players are some of the very common requirements for today’s user.
