Postscript helps Shopify stores stay in touch with customers via SMS, with a focus on keeping everything opt-in, legally compliant, and spam free.

SMS is one of those newer marketing channels for brands that has not yet been completely overrun by spam, but that day is coming soon.  Given that internationally SMS is not a very used channel internationally — that honor goes to WhatsApp — it will be interesting to see how they pivot into other marketing channels going forward.

TechCrunch: Postscript takes in $65M so Shopify merchants can send more personalized texts to customers