In order to promote their products and services, there are many kinds of ads to be done such as advertising on TV, Radio, Poster, flier, sticker and so on. Advertising is to urge their sales, and promote its new product brand.
Maybe, it is new method to promote their product or service via SMS; I recently received SMS from “Grand Optic” which is glasses shop, offering a special discount for buying glasses at the end of this year. Alerting their existing customer about special offer is good one to follow up and update new to its customers.
Why did they know my phone number? It is because I am its old customer I used to buy glasses and changed glasses. They recorded my number in order to follow up me.
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