How TikTok's Algorithm Figures You Out - WSJ

The Wall Street Journal created dozens of automated accounts that watched hundreds of thousands of videos to reveal how the the TikTok algorithm knows you so well.

A Wall Street Journal investigation found that TikTok only needs one important piece of information to figure out what you want: the amount of time you linger over a piece of content. Every second you hesitate or rewatch, the app is tracking you. 

Photo illustration: Laura Kammermann/The Wall Street Journal

We know what you did during lockdown

We gave up our privacy to fight Covid-19, can we get it back?

An interrogation scene explores how Covid-19 has exposed the tension between the need for data to track and trace, and the right to privacy and justice. 

An FT film starring Lydia West and Arthur Darvill in collaboration with Sonia Friedman Productions and supported by Luminate.

• Written by James Graham.
• Actors Lydia West and Arthur Darvill.
• Directed and produced by Juliet Riddell.
• Edited and produced by Tom Hannen.
• Additional filming by Petros Gioumpasis.
• Supported by Luminate.

 

The danger of AI is weirder than you think

The danger of artificial intelligence isn't that it's going to rebel against us, but that it's going to do exactly what we ask it to do, says AI researcher Janelle Shane. Sharing the weird, sometimes alarming antics of AI algorithms as they try to solve human problems - like creating new ice cream flavors or recognizing cars on the road - Shane shows why AI doesn't yet measure up to real brains.

From TED Talks.

Regulators begin HFT crack down on market spoofing algorithms

From Finextra

“Regulators on both sides of the Atlantic have levelled their first fines against high frequency traders who deployed computer algorithms to spoof the markets by placing and immediately cancelling bids and offers in futures contracts.”

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