First and Last Golden Rule of Any Business – Know Your Customer

I called up a local taxi co for booking a cab, they asked me for my mobile number. As I told them my number, they told me where I live and assured me that cab would be there by morning 5:30. I vaguely remember booking a cab with them earlier.

I wonder why very often my banker, insurer, mutual fund agent, neighborhood grocer, laundry guy, ISP ask me where I live to deliver something…

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