Answer:
\, /, -
Explanation:
The three symbols are forward slash, backward slash, and the hyphen. These were allowed in previous versions of the MS Word. However, since the MS Word 2016 and a little earlier, these three symbols have been banned. And you will immediately get a message if you use these, to correct, and only then the file will be saved with that new name, and that must not have the forward or backward slash or the hyphen.
Bluetooth is the most reasonable answer
Social media, Facebook has become really popularized as has youtube and tumblr. Many people communicate through messenger on facebook, videos on youtube and just posting different things on tumblr. The way people put themselves out into the world, and portray who they are to people across the world is huge change from say 20 years ago.
The software that requests mail delivery from the mail server to an Internet device is known as mail client software.
Explanation:
Mail client software is a form of communication in which electronic messages are created and transferred between two or multiple devices connected to a network series or stream.