I would still like to know why we are using @ anytime we mention someone's name?

If I were to start typing @alli…., I’m offered the Alligatorob and it‘s highlighted. If I continue typing and just keep the @Alligatorob, does it still send an alert to him.

Guess this question will be answered if he sees an alert and answers.
 

Jules said:
If I were to start typing @alli…., I’m offered the Alligatorob and it‘s highlighted. If I continue typing and just keep the @Alligatorob, does it still send an alert to him.

Guess this question will be answered if he sees an alert and answers.
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No need for him or anyone to answer. It corrected my second @Alligatorob He can ignore this. LOL.

And he’s speedy with his reply.
 

David777 said:
No way Jay. Computer syntax conventions and standards appeared well before the rise of web boards, mainly during the UNIX and computer languages development era well before the rise of the Internet in the 1990s. Was a UNIX shell user and test programmer.

https://en.wikipedia.org/wiki/At_sign

Email addresses

A common contemporary use of @ is in email addresses (using the SMTP system), as in jdoe@example.com (the user jdoe located at the domain example.com). Ray Tomlinson of BBN Technologies is credited for having introduced this usage in 1971.[4][14] This idea of the symbol representing located at in the form user@host is also seen in other tools and protocols; for example, the Unix shell command ssh jdoe@example.net tries to establish an ssh connection to the computer with the hostname example.net using the username jdoe.

On web pages, organizations often obscure the email addresses of their members or employees by omitting the @. This practice, known as address munging, makes the email addresses less vulnerable to spam programs that scan the internet for them.
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Thanks for enlightening me on the subject @David777. To tell the truth it confused me because I am not very tech minded so I used your link to Wikipedia and copied the following:

On some social media platforms and forums, usernames may be prefixed with an @ (in the form @johndoe); this type of username is frequently referred to as a "handle"[citation needed].

On online forums without threaded discussions, @ is commonly used to denote a reply; for instance: @Jane to respond to a comment Jane made earlier. Similarly, in some cases, @ is used for "attention" in email messages originally sent to someone else. For example, if an email was sent from Catherine to Steve, but in the body of the email, Catherine wants to make Keirsten aware of something, Catherine will start the line @Keirsten to indicate to Keirsten that the following sentence concerns her.

Wikipedia allows you to copy freely so no copyright violation, as far as I know!
 
I remember about 20 years ago (pre-twitter). The instructions in a forum I belonged to said to type the @ before a forum member's name. They didn't say why, but I soon figured out why. Also that it wasn't compulsory.
 

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