Visa and Mastercard: The global payment duopoly (2024)(quartr.com)

338 points by bilekas 1 year ago | 223 comments

A Quartr Insights article examining how Visa and Mastercard came to form a global duopoly in card payment networks.

Show HN: OsintRadar – Curated directory for osint tools(osintradar.com)

57 points by lexalizer 6 months ago | 7 comments

OpenAI acquires Sky.app(openai.com)

226 points by meetpateltech 1 year ago | 150 comments

Show HN: Midday – Run your business smarter (open-source)(midday.ai)

76 points by pontusabb 2 years ago | 29 comments

ChatGPT Launches 'Company Knowledge'(openai.com)

18 points by jmehman 1 year ago | 15 comments

Vijaye Raji to become CTO of Applications with acquisition of Statsig(openai.com)

162 points by tosh 1 year ago | 63 comments