Showing posts with label Ex Machina. Show all posts
Showing posts with label Ex Machina. Show all posts

2015-12-24

Ex Machina Director, Writer, Producer, Alex Garland Talks at Google (video)



Alex Garland: "Ex Machina" | Talks at Google - Writer, producer, director Alex Garland visited Google to discuss his directorial debut movie EX MACHINA. Moderated by Dana Han-Klein.

"Ex Machina" is about young coder at the world's largest internet company, wins a competition to spend a week at a private retreat belonging to the reclusive CEO of the company. Upon his arrival, he learns that he must participate in a bizarre experiment which involves interacting with the world's first true artificial intelligence (AI), which comes in the form of a beautiful female robot. (Published on Apr 13, 2015)

Domain name: exmachina-movie.com

Movie studio: A24 - a24films.com

Caleb, a 24 year old coder at the world's largest internet company, wins a competition to spend a week at a retreat belonging to the company's reclusive CEO, Nathan. But when Caleb arrives he finds that he will have to participate in a fascinating experiment with the world's first true artificial intelligence, housed in the body of a beautiful robot woman, Ava. Truths, emotions and motives are blurred as the relationship between Caleb, Ava and Nathan intensifies.





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2015-09-01

Ex Machina Wall Street, Bots Have Taken Over the Markets

A world prone to "computer stampedes"--
If you're first out the door, that's not called panicking. Margin Call (2011)
Rise of the bots - Fortune: "In short, algorithms are taking over our lives. An algorithm is simply a piece of software code that operates like a decision tree, considering multiple variables and then spitting out a decision or recommendation. (A bot is typically a collection of algorithms.) Without taking a step back, as Christopher Steiner does in Automate This: How Algorithms Came to Rule Our World, it’s hard to appreciate how fast and far algorithms have come in recent years, and what the consequences are for modern culture. Steiner, a former Forbes writer, set out three years ago to explain how trading algorithms (which, in their simplest form, make buy/sell decisions based on various data inputs) had overtaken Wall Street. By that time, wildly complex trading bots had transformed financial markets..."

High-speed trading, also known as High-frequency trading (HFT) in action:

Citadel Group, a high-frequency trading firm located in Chicago, trades more stocks each day than the New York Stock Exchange. (CNN, July 2013). Domain name: citadel.com
"While it may take weeks before regulators understand why the plunges occurred, one reason for the swing is that automated computer programs have changed how markets function… Orders are being executed at lightning speeds in huge volumes. But there is another, often overlooked implication: these machines are being programmed to link numerous market segments together into trading strategies. So when computer programs cannot buy or sell assets in one segment of the market, they will rush into another, hunting for liquidity. Since their algorithms are often similar (or created by computer scientists with the same training) this pattern tends to create a “herding” effect. If a circuit breaks in one market segment, it can ripple across the system faster than the human mind can process. This is a world prone to computer stampedes." - FT.com, Aug 27, 2015 (emphasis added)
"... if you think it was human beings executing sales of Starbucks (SBUX) down 22% on Monday’s open [24 Aug 2015], you’re dreaming. And if you believe that it was thinking, sentient people blowing out of Vanguard’s Dividend Appreciation ETF (VIG) at a one-day loss of 26% at 9:30 am..." - Josh Brown

Just remember:

"... despite its obvious attributes “Black Box” trading [is] very tricky. The algorithms may work for a while [even a very long while] and then, inexplicably, they’ll just completely “BLOW-UP”... The real challenge ... [is] to “sniff out” the degrading model prior to its inevitable “BLOW-UP” .... “because, you know, eventually they ALL blow-up“… as most did in August 2007..." - Black Box Trading: Why They All “Blow-Up” | GlobalSlant

XKCD
Caveat Emptor!



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