Moving Upstream, PayPal and Square Make a Play for the Local Merchant’s POS

There’s a not-too-quiet rivalry brewing between Square and PayPal over offline payments, and this week saw the unofficial opening of an important new theatre: the SMB point of sale (POS). It’s perhaps the stickiest problem for both companies to solve in order to make payments work, and their respective announcements demonstrate a strategic skism similar to what we’ve seen in desktop computers and mobile phones..