When thinking "cold calling", few number of determinants should guide.
Unknown Prospects (Most cases)
Cost
Affordability
Ratio of billing to others
Traffic per call is one person at a time, compared to massive internet generated traffics
If just very few PSAs emerge from huge advertisements reaching hundreds, thousands and millions, then, cold calling attracting new PSAs might take some decades to yield.
This is not a good method when better alternatives exist to choose from.
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When thinking "cold calling", few number of determinants should guide.
Unknown Prospects (Most cases)
Cost
Affordability
Ratio of billing to others
Traffic per call is one person at a time, compared to massive internet generated traffics
If just very few PSAs emerge from huge advertisements reaching hundreds, thousands and millions, then, cold calling attracting new PSAs might take some decades to yield.