Launched in 2005 and acquired by Google for $1.65 billion the following year, YouTube obliterated the gatekeepers of broadcast media at a stroke. For the first time in history, anyone with a camera and an internet connection could reach a global audience, dismantling the stranglehold of television networks, film studios, and record labels simultaneously. It birthed entirely new professional categories—the YouTuber, the influencer, the creator economy—and became the world's second-largest search engine, processing over 500 hours of uploaded video every minute.
The cultural reverberations were seismic. Political movements organized and amplified through viral clips; musical careers launched overnight without label backing; educational content reached students in regions with no schools. Channels like Khan Academy redefined pedagogy; Arab Spring protesters documented revolutions in real time. The platform generated an estimated $29 billion in annual revenue by the early 2020s, while permanently rewiring how humanity consumes, shares, and understands moving images.