WhatsApp is the most used messaging app in the world, with more than two billion people using it regularly.
More than 100 billion messages are sent each day on WhatsApp. Its simple features make it one of the most widely used messaging tools.
But the bosses of the messaging platform warn your account could be banned if you don't adhere to certain rules. One of these relates to the number of messages you send.
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WhatsApp warns users must not send "bulk messages". This is where a person or organisation send a large number of the same message to many phones.
It is often used by companies trying to advertise a product, or even scammers. However, it can also be used by people trying to inform a large group of people of something, for example a boss trying to get a message to their staff.
Other rule breaks that could see your WhatsApp account banned include impersonating other people and extracting personal information from people. Your account may also be suspended if people report your messages.
If your account is banned, you'll see the following message when trying to access WhatsApp: "Your phone number is banned from using WhatsApp. Contact support for help." WhatsApp said it bans accounts "if we believe the account activity violates our Terms of Service".
WhatsApp's website says: "Please keep in mind, we might not issue a warning before banning your account. If you think your account was banned by mistake, please email us and we'll look into your case."
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