7. Between 73 and 87 percent of text subscribers could be matched to a subscriber in the email database. Relatively few subscribers (ranging from 0.8 to 2.7 percent) were opted-in via keyword / shortcode to receive text messages.
To calculate response rates, M+R looked at all qualified petition texts to the organization’s inbox within 48 hours of the corresponding advocacy alert’s launch.
To calculate unsubscribe rates, M+R looked at all opt-outs to an organization’s inbox within 48 hours of each message’s launch.