He was part of the team that built the Obama 2008 campaign app. Tristan O’Tierney, co-founder of the mobile payment app Square, died last week while undergoing rehab for addiction in Florida.

DISTRIBUTED-WORK-MODEL/SAN FRANCISCO--(BUSINESS WIRE)--Over the Black Friday and Cyber Monday weekend, sellers using Block’s ecosystem of commerce tools broke records with 144 million Block consumer ...

Block XYZ is expanding its portfolio with the new Square Point of Sale (POS) app that integrates domain specific commerce and payments functionality into a single, unified app that allows sellers to ...

Square is a long way from just offering a plug-in card reader dongle and there may be no better evidence of that with its fully revised Square Point of Sale app. This iOS and Android app enables ...

Jack Dorsey emphasized progress driven by product velocity and market efforts, highlighting Square's market share gains and the focus on AI automation for sellers. Cash App's growth strategy ...