Do you tip your UBER/LYFT driver?

Andrea
I'm wondering because I live in Florida and I rarely use a taxi or public transportation. I went to D.C. and used UBER and LYFT the whole time. I didn't even think about tipping, until I saw one of my colleagues from the area doing it. I got a lot of mix opinions about it. So I'm just wondering.. 
I want to see the reactions of consumers, and people that have this as their business. 
Thank you ❤

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