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Anyone using the Uber app since the US supreme court's historic ruling legalising same-sex marriages will have seen that taxis are running on rainbows.
Users really appreciated it.
We're not sure if Uber taxis in countries where gay marriage is illegal have rainbow trails as well. If you're an Uber user outside North America or Europe, let us know in the comments.
More: Watch the moment Donald Trump's hypocrisy on gay marriage was exposed