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A comment on How Software in Half of NYC Cabs Generates $5.2M a Year in Extra Tips. Parent comment

Re:How Software in Half of NYC Cabs Generates $5.2M a Year i... by shostack on Monday January 05, 2015 @10:21PM (#8842755)
"Automatic deduction for cabbies who often tip themselves and hand you less change without asking - give me my change in full and I'll tip you, thanks."

Couldn't that be entirely (and easily) avoided by simply handing them cash and asking for a specific amount back? Ie. fare is $10 and you want to give a $2 tip, you hand them a $20 and ask for $8 back. Is there a benefit to not asking for a specific amount back that I'm missing?

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Re:How Software in Half of NYC Cabs Generates $5.2M a Year i... by meepmorp on Tuesday January 06, 2015 @12:54AM (#8843113)
> Couldn't that be entirely (and easily) avoided by simply handing them cash and asking for a specific amount back? Ie. fare is $10 and you want to give a $2 tip, you hand them a $20 and ask for $8 back. Is there a benefit to not asking for a specific amount back that I'm missing?

I've actually never seen anyone pay for a cab any other way but asking for an amount of change back (well, besides just giving them the amount you want to give them and getting out of the cab).

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