https://www.scitechstudy.com/ The Smart is one of the fastest-growing technology in the past few decades, it started as a small device to make and receive calls. But after two decades manufactures started building mobile phones which not only to dial and receive calls but also for entertainment such as listen to music, click photos, check your health performance, etc. And as Smart phones have become more economical, everyone carries one or two smart phones at a time.