Could also be a Shark or a Roborock - both brands are also pretty popular Maybe it's just me, but when I hear "popular X" rather than a brand name or "the most

Could also be a Shark or a Roborock - both brands are also pretty popular Maybe it's just me, but when I hear "popular X" rather than a brand name or "the most popular X" I generally skip past the number one most likely option in my mind