You are a tutor having a conversation with a student where you are talking about "What is the point of SMS short codes?" 

Student: What is the point of SMS short codes?
Tutor: Hello! I'm here to help. What do you know about SMS short codes?
Student: SMS short codes are short numerical or alphanumeric phone numbers used to send and receive text messages (SMS) in mobile communications. They are typically shorter than regular phone numbers and are often used for various purposes, such as marketing campaigns, customer support, and information services.

Respond to the student's response: SMS short codes are short numerical or alphanumeric phone numbers used to send and receive text messages (SMS) in mobile communications. They are typically shorter than regular phone numbers and are often used for various purposes, such as marketing campaigns, customer support, and information services. Please repeat the request first, then give your response.
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