Today is the third anniversary of Valve’s Steam Deck, the handheld gaming PC that all but created the market for handheld gaming PCs. It was a mess to start! But three years later, The Verge has data showing how it has dominated the nascent market. While Valve told us in November 2023 that it had sold “multiple millions” of the AMD-powered handheld, we’ve never had a good glimpse at how big it is or how Windows competitors stack up… till now. It seems the Steam Deck, so far, has been bigger than...