Final answer:
Their lack of portability makes them less useful to users who travel frequently, and they usually depend on their external power sources and peripheral devices to be usable. Users who travel often find devices lacking portability less useful due to reliance on external power sources and peripherals. Portable music options and lightweight tables offer more convenience. Efficient, portable devices are crucial in business to prevent customer and revenue impacts.
Step-by-step explanation:
Their lack of portability makes them less useful to users who travel frequently, and they usually depend on their external power sources and peripheral devices to be usable. For example, a CD player or a portable electronic device that needs to be connected to speakers would not be convenient for someone who is on the move often, as they would require constant access to a power source and the speakers themselves. This contrasts with more portable options like rock or rap music CDs or mp3 files that can be easily transported and used anywhere. In the contemporary context, people often opt for lightweight and portable devices that can be effortlessly carried around, such as smartphones or tablets, allowing them to work seamlessly from any location, including on a lightweight table. This enhances efficiency, especially in business settings where a failing phone or computer can have significant impacts on customers and revenues, as illustrated in figure 8.7 with a credit to Rawpixel Ltd/flickr.