Which ride-sharing company first introduced 'shared rides' (allowing multiple passengers to share a vehicle and split costs) as a formal product offering?

The ride-sharing industry has transformed urban transportation worldwide, creating new consumer behaviors and disrupting traditional taxi services. This trivia question focuses on a pivotal product launch that changed how we think about getting from point A to point B. Test your knowledge about transportation innovation and corporate history in this rapidly evolving sector.

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Lyft (with Lyft Line in 2014)
Uber (with UberPool in 2014)
DiDi (with DiDi Express Pool in 2015)
Grab (with GrabShare in 2016)