Which innovative marketing strategy did Uber use in 2011 that dramatically accelerated its early growth and became a cornerstone of its expansion playbook?

The ridesharing industry revolutionized urban transportation in the early 21st century, disrupting traditional taxi services and creating new mobility paradigms. This trivia question explores a pivotal moment in the corporate history of one of the world's leading rideshare companies and its innovative approach to market expansion. Test your knowledge about how these transportation platforms evolved from startups to global transportation powerhouses.

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The 'Sign-Up-Get-$20' referral program that incentivized both new riders and those who referred them
The 'UberPool' carpooling service that allowed multiple riders to share costs
The 'Uber Eats' food delivery platform that expanded their service offerings
The 'No Surge' pricing guarantee that undercut traditional taxi services