Arun Maini, aka Mrwhosetheboss, says he was a shy, lanky, acne-prone 14-year-old when he uploaded his first video to YouTube. His big brother had just bought him his first phone, and he was geeking out. That first vlog, a shaky, sometimes out-of-focus overview of a long-since-forgotten phone, surprised him (and his skeptical classmates) by garnering tens of thousands of views in short order. It also showed Maini what was possible on YouTube. After a decade of experience, Maini is now one of the most successful tech YouTubers in the world. His stats alone can serve as a resume: 21.6 million subscribers and 7.6 billion views across 1,800 videos. With a few million more followers between Instagram, TikTok, and X, it’s safe to say Maini has cemented himself as a leading voice in tech on social media. In an exclusive conversation for The Mashable 101, we asked Maini how he delivers on every video. "If someone asked me, 'What's the secret sauce?'”, he said, “It's literally: make a video.” “D...