IBM Marketing Cloud ewepụtala 2016 Email Marketing Metrics Benchmark Study. Akụkọ ahụ na-enye data nke ga-enye gị ohere iji mgbasa ozi email gị tụnyere 25 mepere emepe, pịa-site, depụta churn na igwe mkpanaka. N'ịgbakwụnye, akụkọ ahụ nwere: Ntụnyere gbasara ụlọ ọrụ na mgbawa mpaghara sitere na ojiji ngwaọrụ ụwa niile, usoro ezumike, ozi ịntanetị azụmahịa na ọnụego ntinye aka gafere “nkezi,” gụnyere…