IntroductionThe late 20th and early 21st centuries saw a major increase in the use of smartphones worldwide. Smartphones are a current phenomenon and have never been more popular than today. Some people experience separation anxiety or panic when they accidentally leave their smartphone at home. Smartphones influence our productivity, make daily tasks easier and some users have become very dependent on them. The smartphone could be described as “an extension of us, an important member of our body” (1st web designer). We take these all-in-one devices with us everywhere, 24 hours a day, 365 days a year. They are used not only in workplaces or schools, but also at parties, on dates and even during sex. In this way, the way of living, behaving and communicating of humanity is permanently influenced.SmartphonesIn addition to the basic functions typical of classic phones, such as voice calls, text messaging, alarm clock and organizer, The functionality of today's smartphones extends widely to a high-quality camera and real-time video chat, mobile banking and precise GPS navigation, as well as advanced games and personal training. There are many opportunities to take advantage of the capabilities of smartphones. Some functions are built-in, but tens of thousands more are available online and downloadable directly to your smartphone. These “apps” are either free or low cost, usually between one and ten dollars, sometimes more. History The term "smartphone" is relatively new, although the first cell phones called smartphones appeared on the market in the mid-1990s. The first phone with PDA (Personal Digital Assistant) capabilities and a touch screen was "Simon », launched in 1994 by IBM. In 1996, Nokia launched the N...... middle of paper ......e its smartphones more frequently, in extreme cases even several times a day.MULTITASKINGA modern smartphone is an all-in-one device A. It combines several devices that we used separately a few years ago. People tend to prefer smartphones because they are not only a communication tool but can also serve as a music player, GPS navigation, camera and camcorder, game console or journals. Their complete portability is a real advantage. As a negative consequence, people are easily distracted by carrying out several unfinished activities at the same time. ADDICTION “According to a new report released by Ericsson Consumer Lab, nearly a third of Americans access their favorite smartphone apps like Facebook before even getting out of bed in the morning. - Tech developers benefit from lazier reliability on a small gadget