There are many diseases all around the world that scientists, researchers and doctors have finally produced vaccinations so that people would finally be immune from these diseases. Email marketing can also develop immunity for diseases such as inactive emails or sudden changes of email addresses.
Universally speaking, statistics show that 30% of the email addresses in the list will annually change or become inactive. This figure is quoted by experts who all over the email marketing industry mention to a contagious disease in online marketing and every email database suffers from it.
Even that percentage can reduce the email program’s deliverability, open rates, click-through and overall performance. That percentage is often times referred to as “List Churn”. This condition would produce a net result of reduced revenues and profits. This does not sound so welcoming, does it? List Churn also forces marketers to spend more and more of their budget for marketing on costly customer acquisition campaigns since with a 30% annual attrition rate, the database is shrinking right in front of the marketer’s threshold. (more…)