Mobile phone features (2.0), dual line support, infrared, Bluetooth (2.0) and WiFi connectivity, NFC, instant messaging, Internet e-mail and browsing and serving as a wireless modem. The first smartphone was the Nokia 9000 Communicator in 1996 which added PDA functionality to the basic mobile phone at the time. As miniaturization and increased processing power of microchips has enabled ever more features to be added to phones, the concept of the smartphone has evolved, and what was a high-end smartphone five years ago, is a standard phone today. Several phone series have been introduced to address a given market segment, such as the RIM
Mobile phone overuse less likely to develop addictive mobile phone behavior because of different social usage, stress, and greater self-regulation. Overuse of mobile phones can affect social and psychological well-being and health. There is an enormous impact of the mobile phone on contemporary society from a social scientific perspective. In his 2002 book "Perpetual contact: mobile communication, private talk, public performance", the author, James Katz, writes: "They [mobile phones] have transformed social practices and changed the way we do business, yet surprisingly we have little perception on their effect in our [lives]." Some people are replacing face-to-face conversations with cybernetic ones. Clinical psychologist