The given pictorial depicts the evolution of the cell phone, and the comparison of early mobile device and latest mobile device.
Overall, it can be said that, the cutting edge mobile phones have more features, attractive design, less weight and smaller size compared to the previous version.
Examining further, the hight and the width of early cell phone were 130mm and 50mm respectively, namely 40mm and 10mm more than the latest device. Advancement in display is considerable, latest devices have full-colour display, while past mobile equipments had only black and white coloured display.
Moreover, the camera with video capability is introduced in contemporary phones at the bottom of the display; however, ear phone remains at same place as the early mobile phone, at the top of the device. Interestingly, weight of the newly devices is only 70g, which is less than half of the old mobile phones.
Apart from that, extra functions like mail service, internet connectivity, music availability are introduced in the latest gadget, which were not available in the previous version of the mobile tool.