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What is username?
📱 Username is your unique name on social networks or sites.
🆚 Nickname is different and username is different.
🔣 Username can only contain 15 (more on some sites) letters, numbers, underscore and on some sites a period.
🔍 With Username, your friends can easily find you.
✅ You can use the following three sites to find out whether the username you want is busy on the most popular social networks or sites:
www.checkusernames.com
www.namecheckr.com
www.namechk.com