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A 13-minute clip from This Week in Startups in which Chamath Palihapitiya describes venture capital as a Ponzi-like scheme driven by fees and inflated valuations among VCs.

The full-length Numberphile interview with mathematician and hedge fund founder Jim Simons. He discusses his path from mathematics and codebreaking to founding Renaissance Technologies, his use of algorithms in markets, and his philanthropy.

Jason Calacanis interviews investor Chris Sacca on This Week in Startups. Sacca discusses what makes a founder, his investments such as Kickstarter, and his personal story of losing money and recovering.

An episode of This Week in Startups in which Jason Calacanis interviews Ruby on Rails creator David Heinemeier Hansson. They discuss startups, bootstrapping and 37signals' approach to business.

Part two of Jason Calacanis's long interview with investor Chris Sacca on This Week in Startups. Sacca discusses his investments in Facebook, Twitter and Uber, and how he hustled his way to the top.

Jonathan Schiefer interviews Larry Wall, creator of Perl, in a 33-minute conversation. Wall discusses his self-designed linguistics degree and how language and programming overlap.

Kevin Rose interviews Chris Sacca, founder of Lowercase Capital, for his Foundation series. The conversation covers Sacca's path in venture capital and angel investing, including his early financial ups and downs.

In a CNBC interview with Becky Quick, Warren Buffett explains why he sees bitcoin as an asset that produces nothing. He contrasts it with productive assets such as a farm.

Chamath Palihapitiya talks with Jason Calacanis about how he bought into the mythology of Silicon Valley, which he calls a Ponzi scheme, and about rebuilding Social Capital. He urges founders to grow slowly and build what matters.

A TED interview in which Chris Anderson talks with Jim Simons about his life: code-breaking, math, founding Renaissance Technologies, and his philanthropy in math education and origins-of-life research.

A Startup School SV 2014 conversation between Sequoia's Jim Goetz and WhatsApp founder Jan Koum. They discuss how Sequoia pursued WhatsApp, its tiny engineering team, and how it handled growth and support.

A short clip in which Carl Icahn tells the story of his first activist investment and of firing 12 floors of people, arguing activism need not be short term.

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.

Jason Calacanis interviews Peter Thiel at LAUNCH Festival 2015 about contrarian thinking, investing, and building companies such as PayPal, Palantir and Facebook.

Fox Business interview in which Oracle co-founder Larry Ellison claims Oracle will beat Amazon at cloud databases. He argues the world's valuable data lives in Oracle and says Amazon struggled to move off it.