Some Amazon sellers are reaching out to customers who leave negative reviews on their products, …

A researcher at Switzerland’s EPFL technical university won a $3,500 prize for determining that a key Twitter algorithm favors faces that look slim and young and with skin that is lighter-colored or with warmer tones. Twitter announced on Sunday it awarded the prize to Bogdan Kulynych, a graduate student examining privacy, security, AI and society. Twitter sponsored the contest to …

Roku plans to stream 23 new shows from Quibi’s library exclusively on the Roku Channel. The Quibi shows — now called Roku Originals — will stream for free with ads starting Aug. 13 in the US, Canada and the UK. The new shows will join shows like Dummy (starring Anna Kendrick), Reno 911 and Flipped.  Here’s a list of the …