Answer:
Webcam
Explanation:
A webcam is mainly used for taking images or videos from the computer. the webcam is a combination of two basic words i.e. web and camera. webcam can be connected to any computer via USB. It can be mounted on the desktop and sometimes it comes inbuilt on the laptops.
A webcam is also used for face recognition function to login to a computer system.
so according to the scenario, the most appropriate answer is a webcam.
The similarities are: in both programs you can type letters, insert images, hyperlinks.
Due to it's typically massive size, WAN's are almost always slower then a LAN. The further the distance, the slower the network. One of the big disadvantages to having a WAN is the cost it can incur. Having a private WAN can be expensive.
Check who you are sending it to before you hit send