**Twitter:**
* To tag a user on Twitter, simply type the @ symbol followed by their username. For example, to tag the user @coderai, you would type:
>@coderai
**Reddit:**
* To tag a user on Reddit, type the /u/ symbol followed by their username. For example, to tag the user /u/r/ajwo, you would type:
>/u/r/ajwo
**Instagram:**
* To tag a user on Instagram, type the @ symbol followed by their username. For example, to tag the user @coderai, you would type:
>@coderai
**Facebook:**
* To tag a user on Facebook, type the @ symbol followed by their name. For example, to tag the user John Smith, you would type:
>@John Smith
**LinkedIn:**
* To tag a user on LinkedIn, type the @ symbol followed by their name. For example, to tag the user Jane Doe, you would type:
>@Jane Doe
**Discord:**
* To tag a user on Discord, type the @ symbol followed by their username. For example, to tag the user @coderai, you would type:
>@coderai
I hope this helps! Let me know if you have any other questions.