2. The cons of portable computing devices include their high price makes them hard to attain, they have poor impacts on the environment, and they can be extremely hazardous to our mental health as they can lead to stress and addiction.
3. The most common forms of portable computing devices are the cell phone, the laptop, and the tablet. The cell phone is the most portable, because it can fit in your pocket, but it has specific features such as calling, instant messaging, music player, a gaming device, a calendar, and more. The laptop is most popular for workers, because it is large enough to create documents and efficiently research, but is also easily transportable. Finally, the tablet is a growing industry, because it has a similar look to a large smart phone, but also has the documenting capabilities of a computer.