Card not authorised: The Tipline for 13 January 2021

We’ve all been there: in a rush at the checkout line, but the register won’t complete the transaction no matter how many times you swipe your card. Rather than wait for the manager to weigh in, Visa said on Tuesday that its planned purchase of Plaid was not worth its time. Also in Tipline, Illumina is accused of monopolising the market for next-generation DNA sequencing while a video platform popular among politically-conservative users alleges Google illegally rigged its search algorithms in favour of YouTube.

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