Digital Payments Giants Vie for In-Store Sales PayPal announced it’s bringing its Zettle product to the US. It will offer point-of-sale hardware and related services such as invoicing to small- and medium-sized merchants—estimated to be a $4 trillion market. Other digital payments players, i.e. Stripe, Square and Fiserv’s Clover are addressing the small business/in-store market as well. DCA Insight: As...