Since the invention and launch of smartphones by Apple, which stunned the cell phone and the internet world; application developers quickly realized that a whole new market for applications had opened up. Other mobile phone makers realized that they would have to launch their smartphones or face elimination from the mobile phone market. The competition quickly developed and started manufacturing smartphones also. Apple had an advantage as they had developed its operating system iOS for its smartphones. Google was smart and decided to take advantage of this new market and developed its version of smartphones operating the system. They knew that Apple's competitors would need one platform to use and developed and launched Android. Competing smartphone makers are using Google developed an operating system (Android) on their phones.
Since all smartphone users depend heavily on the internet to communicate and for work and entertainment, application developers were racing to get their applications to work on these devices in these two operating systems environments. Whatsapp (another Google application for free chatting), Twitter soared in popularity and are the most popular applications on smartphones. Asides from their features both applications are free, and that's what smartphone users love.
Application developers brought out versions of their popular applications that could run on smartphones major operating systems. Right now Apple and Google operating systems are the two leading operating systems used on smartphones. Apple manufactures and markets its smartphones, on the other hand, smartphone makers like Nokia, Samsung, etc. use the Google operating system.
Popular applications were quickly modified to operate in both these operating systems. New applications in all categories ranging from navigation, games, utilities, social media, etc. were developed and launched in the Play Stores on smartphones.
Apple again surprised the world by launching its iPad which has further changed the way people communicate, work, and get entertained. The iPad is a computer packed into a ten-inch by six-inch tablet casing with a touch screen. Other computer makers were quick to copy Apples product and launch their line of tablets.
Today, some people carry around a smartphone and a tablet when moving around. Public places like airports, railway stations, cafes, restaurants have been forced to install Wi-Fi systems to retain their customers and attract new customers. Wherever people gather they expect to connect to the internet over a free Wi-Fi system. Trains, airlines, and intercity buses also provide free Wi-Fi to travelers.