Which invention first achieved 50 million users in the shortest time period, fundamentally changing consumer behavior and creating a new model of brand loyalty?

Some product innovations completely transform consumer behavior and create entirely new markets. The psychology behind consumer adoption of groundbreaking inventions often follows recognizable patterns, with early adopters paving the way for mainstream acceptance. This poll tests your knowledge of how certain revolutionary discoveries changed consumer psychology and established unprecedented brand loyalty.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Television (13 years to reach 50 million users)
Internet (4 years to reach 50 million users)
Facebook (3.5 years to reach 50 million users)
Pokemon GO (19 days to reach 50 million users)