All's fair? — DMA forces large platforms to give users more choices, rivals more chances. Aurich Lawson | Getty Images For months, some of the biggest tech companies have been wrapped up in discussions with the European Commission (EC), seeking feedback and tweaking their plans to ensure their core platform services comply with the Digital Markets Act (DMA) ahead of that law taking force in the European Union tomorrow. Under the DMA, companies designated as gatekeepers—Alphabet/Google, Amazon...