SMS refers to short text messages sent to mobile phones. They are widely used for simple notifications and marketing, especially in industries like retail, banking, and customer communications.
Advantages
Works on virtually all mobile phones, even without internet access.
Can reach users who don’t use mobile apps.
Disadvantages
Limited character count for message content.
Lacks interactivity compared to formats like push notifications or RCS.
May come across as intrusive if messages are sent too frequently.
