Which company's product innovation first incorporated the 'freemium' business model, allowing users to access basic features for free while charging for premium features?

Test your knowledge about groundbreaking product innovations that revolutionized entire markets and led to significant discoveries. Great inventors often create products that transform how we live and work. This poll explores a fascinating moment when a revolutionary product innovation changed the course of retail and consumer behavior, creating entirely new market segments in the process.

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Dropbox, with its cloud storage platform in 2008
Adobe, with its Creative Suite software in 2003
Skype, with its VoIP communication service in 2003
LinkedIn, with its professional networking platform in 2005