Marques Brownlee, a renowned YouTube tech reviewer, has recently stirred ... What Happened: Brownlee, also known as MKBHD, titled his review of the AI Pin as “The Worst Product I’ve Ever ...

Today, the now-27-year-old tech reviewer boasts a whopping 14.7M subscribers to his channel, called MKBHD (a combination of his initials and HD, for high definition), where he posts in-depth ...