As of December 2019, his channel has gained over 10 million subscribers, making MKBHD one of the most subscribed-to technology-focused YouTube channels, according to Social Blade. His first several hundred videos were primarily hardware tutorials and freeware. He produced his first videos through screencasting. He first started uploading technology videos in January 2009, while still in high school, about new products or reviews of products he already owned. Careerīrownlee joined YouTube on March 21, 2008. The name of his YouTube channel is a concatenation of MKB (Brownlee's initials) and HD (for high-definition). Vic Gundotra, a former Senior Vice President of Google, called Brownlee 'the best technology reviewer on the planet right now'. As of September 2021, he has over 14.7 million subscribers and over 2.7 billion total video views. Marques Keith Brownlee ( / m ɑːr ˈ k ɛ z ˈ k iː θ ˈ b r aʊ n l iː/ mar- KEZ KEITH BROWN-lee born December 3, 1993), also known professionally as MKBHD, is an American YouTuber and professional ultimate frisbee player, best known for his technology-focused videos as well as his podcast Waveform.