A link for unsubscription is an evitable part of any marketing email. Even true spammers usually respect your right to unsubscribe. Companies, on the other hand, don’t like watching how their precious database decays over time.
Open-rate adjusted costs of SMS could be almost the same as the costs of the email
Click rates of SMS are similar to email (1-4%)
A marketer’s dream is that the customer would read almost every email sent. However, with open rates between 20-25 % it is far from being reality. However, there is a channel with open rates higher than 90% on average: SMS.
In digital marketing, the difference between losing or gaining a potential customer can come down to a few small, distinct details in your content. A certain color, word, or layout can either attract or drive away customers.