1 Square — a company best known for the small, white plastic cube that can read credit cards when plugged into a smartphone or tablet — is taking on t..
2 The expansion from mobile payments to online retail might seem a bit odd to those who don't follow Square, but it's part of an ongoing push from the..
3 In addition to its card reader, Square makes a mobile wallet app for consumers, a payments app for businesses, and a $299 plastic stand that turns i..