The standard pitch on Customer Relationship Management or Customer Retention Management is that it is cheaper to keep an existing client than to find a new one; hence it's worth the effort.
What this means in the real world is a new teller, whom I have never seen and may have been on the job for 2 weeks, repeatedly calls me by my first name.
So far, this behavior has not annoyed me sufficiently to provoke me to switch banks.
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Regards,
CarlD