They can be used in multiple ways-
By making use of bulk SMS receives you can improve the conversion rate, sell more goods as per the choice of your customers. So they are used for boosting sales, improving on-site metrics & customer service.
Areas where they can use-
Customer service- This is the most vital area of any business & si it is for the e-commerce industry. This lets your customer text their queries their feedback & comments.Shopping Cart- Registered customer get the alerts via SMS for the process of delivery along with the delivery notifications & update confirmation message.