payments

A scene from The Sopranos in which two old-school mobsters try to extort a Starbucks and learn that electronic payments leave an indisputable record of sales.

A New York Times video on how China's sheltered internet produced a new breed of apps, centering on WeChat's all-in-one model combining payments, social and services. It suggests American companies are now taking cues from Chinese tech.

A two-minute animated introduction to Bitcoin from 2011, explaining it as a peer-to-peer digital currency. It was widely shared in Bitcoin's early days as the standard newcomer explainer.

A short Channel NewsAsia interview clip in which MasterCard's Southeast Asia president voices distrust of cryptocurrencies produced by anonymous computers in anonymous places. It is part of the Perspectives series and runs about four minutes.

A 1968 Firing Line interview in which Milton Friedman explains the negative income tax, a proposal to replace welfare bureaucracy with direct payments.

Mike Hearn's talk at the 2012 London Bitcoin Conference on the future of Bitcoin, new applications and rebuilding the banking system. He covers lesser-known protocol features such as contracts, escrow and scripting.

An 8-minute explainer on the Lightning Network and how it relates to Segwit, Bitcoin and Litecoin. It covers how off-chain payment channels route payments to scale blockchain transactions.

A Last Week Tonight segment on how pharmaceutical companies spend billions marketing drugs to doctors. It uses comedy to lay out the industry's questionable practices.

The full 2010 D8 conference interview of Steve Jobs by Walt Mossberg and Kara Swisher. He discusses Flash, privacy, multitouch, payments and what motivates him.